Wang Peng and Li Longfei talked for a long time and finally decided to open for business before the end of the year.

Li Longfei was in charge of miscellaneous tasks such as renting and decorating the apartment.

Wang Peng is responsible for making money as soon as possible and paying 10,000 yuan to invest.

"Another ten thousand yuan. I still owe you a thousand. How about you lend me another ten thousand?" he said.

"Are you serious?" Li Longfei asked earnestly. "Nine out, eleven back. Give me an IOU, and I'll lend it to you."

"Give me a break, you're really heartless," Wang Peng retorted mercilessly, then laughed, "I'm going to evening self-study."

Nine went out and eleven returned.

It means that if you borrow 10,000 yuan, you can only take 9,000 yuan with you, and you have to pay back 11,000 yuan when you repay the debt.

It is said that there is also a nine-out-and-thirteen-out method, which is even darker.

Wang Peng returned to school, parked his bicycle in the bike shed, and slowly walked back to the classroom.

The students were all studying quietly; some were doing homework, some were reading, and some were whispering to each other.

Wang Peng returned to his seat, took out three sets of gel pens and three bags of gel pen refills, and gave them to Du Lei, Li Mengjiao, and Chen Xiaojing respectively.

“This is a gel pen, it’s better than ballpoint pens and fountain pens, you guys should try it,” he said.

"Brother Peng, I heard from Sister Fang that you're planning to start a stationery business?" Du Lei asked in a low voice.

"How did you know?" Wang Peng asked, intrigued.

"Never mind that." Du Lei waved the ballpoint pen. "I'll try it out first to see if it works. If it does, I'll pay."

“No need to pay.” Wang Peng shook his head. “It’s definitely going to work well. You have to trust my judgment.”

He opened his Chinese textbook and began to preview the lessons he would learn the next day.

Du Lei first studied the ballpoint pen, then picked it up and started writing in his notebook.

"Holy crap! This feels great."

He continued writing, producing a couple hundred words in one go, and then laughed, "It's really good. How much?"

Wang Peng ignored him and turned around to find Li Mengjiao and Chen Xiaojing also writing with ballpoint pens.

"Mengjiao, Xiaojing, how does it feel?" he asked.

Li Mengjiao flipped through the notebook to look at the next page and found no traces of ink seepage.

"The ink flow is even, the lines are smooth, the pen is lightweight, and it feels great in the hand." Li Mengjiao gave it a five-star rating.

"Mengjiao has already said everything I wanted to say." Chen Xiaojing waved the pen in her hand. "How much does this pen and these ten refills cost in total?"

Wang Peng waved his hand, "Don't mention money to me again, this is a small gift for you."

Time passed by, second by second.

At nine o'clock in the evening, the school bell rang, and the school building began to bustle with activity.

Day students go home to sleep, while boarding students go back to their dormitories to sleep.

The students in Class 1 seemed not to hear the bell. As students in the top class, they brought the competition to its extreme.

Wang Peng walked up to the podium with his schoolbag, took out some ballpoint pens and refills, and clapped his hands.

"Dear students, I'm going to show you a special skill."

"Young man, how come you always have a special skill?" Du Lei immediately chimed in, playing the role of the straight man.

The students put down their pens and looked at the podium with great interest.

Du Lei is the class monitor, and Wang Peng is a loyal friend, so the classmates give them face.

"Classmates, sometimes we buy inferior notebooks, the paper of which is thinner than toilet paper."

“When we write on it with a fountain pen or ballpoint pen, the pen tip will always tear the notebook.”

"Even if the notebook isn't torn, the ink will still seep through and stain the next sheet of paper."

"Classmates, isn't this situation annoying?"

Wang Peng smiled.

Discussions immediately broke out below.

We all encounter similar situations in our daily lives.

Du Lei laughed and said, "Do you have a way to solve this problem? Buying better quality notebooks would just be a waste of everyone's money."

"Brother Peng, do you have a solution?" Xue Dongshan asked.

"Yeah, this is really annoying. It forces me to spend an extra penny to buy a better notebook," a girl said.

"Brother Peng, stop keeping us in suspense and tell us the solution quickly."

"..."

Ping'an County is an impoverished county, and there are not many families with good financial conditions like Li Mengjiao's.

Everyone's pocket money is limited. If you save a penny on your homework, you can buy a better meal.

Wang Peng stopped talking nonsense, took out a roll of toilet paper from his schoolbag, and tore off a piece.

He turned around, leaned over the blackboard, and wrote a poem on a piece of toilet paper.

The sun sets beyond the mountains, the Yellow River flows into the sea; to see a thousand miles further, climb one more story…

"Classmates, my pen can write on toilet paper."

"Therefore, it can write on any cheap notebook without worrying about tearing the paper or ink seeping through."

"This is the first advantage of my neutral ballpoint pen."

At this point, he turned around and started writing in chalk on the blackboard.

The advantages of ballpoint pens far surpass those of fountain pens. First, they are not picky about paper.

"The second advantage is that it is easy to use. When you go to take an exam outside, you don't need to bring an ink bottle with you."

"Alright, alright, stop talking," said Liu Qiang, the class representative for Chinese. "The first advantage is enough. Just tell me how much it costs."

Laughter filled the classroom.

Liu Qiang's family was poor, and he developed the habit of writing in tiny characters from a young age.

Not for any other reason than to write a few more words in the notebook and save more paper.

He has a lively and cheerful personality, and everyone likes him. He also has a good relationship with Wang Peng.

Wang Peng gave him a thumbs up, saying, "A pen with one refill costs one yuan, and ten extra refills cost one yuan."

At this point, he took out a copy of Journey to the West from his schoolbag.

"Comrades, this is my copy of Journey to the West. I wrote more than 10,000 words with just one pen refill."

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