Chương 420: Selling Honey Grapefruit Tea

Seeing that the ink would not fade after drying, Ye Muyu smiled faintly. "It seems that I succeeded time. However, there are still some flaws. I can pay more attention to some details."

"Congratulations, Madam." Madam Hu said with a smile. Although she did not know much, she knew that if she could make her own ink, not to mention making money, they would have less money to spend on their studies in the future.

Ye Muyu was also in a good mood. She had a good memory, so she could remember some of the things she had seen in her previous life. However, what she had seen was theoretical knowledge. When she really did it, there would always be errors due to operational errors.

Who knew that she would actually succeed this time? It seemed that her luck was not bad.

Although there were still some flaws, it was still a good start.

In the afternoon, Ye Muyu brought Madam Hu to make Oil Smoke Ink.

Every time she did it, she recorded the data.