Enter the game room and click on the breakfast shop. On the store details page, click to select the facility to upgrade.

At the beginning of the store, everything rose to around 9 or 10, and the appearance was changed once. Goods can only be upgraded to 10, small shops queue up to 10, and big shops queue up to 15, with unlimited efficiency? Besides, do you really have to do the task seriously? Although the salary is a bit pitted, I didn't do a good job before, and was later assigned to occupations such as "three unemployed tenants". At that time, my house was 35% completed, and I didn't finish this stupid task until I opened a second single apartment!