Sugar 10g 0.08 yuan

Black tea 10g 0.75 yuan 3 tea bags =2.25 yuan.

The cost of a cup of tea is 0.576 yuan of cream +0.32 yuan of sugar +2.25 yuan of black tea = 3. 146 yuan.

Plus plastic cups, artificial storefront fees. The cost of a cup of milk tea is estimated to be between 4-5 yuan, and it will not be profitable if it does not exceed 8 yuan. ...