pls help

The two dishes prepared by Common Bond will be designated as A and B. The costs of ingredients are $3 for dish A and $2 for dish B. There are up to 7 kitchen-hour available per day, and there are 400 eggs in the fridge for the day. The preparation time is 11 minutes for dish A and 10 minutes for dish B. To prepare dish A, just one egg is needed, and to make dish B, 3 eggs are needed. The daily price-response functions for these two dishes are: dA(pA)=28015pAdB(pB)=21012pB