Q. Joy's frozen yogurt shops have enjoyed rapid growth in northeastern states in recent years. From the analysis of joy's various outlets, it was found to the Demand curve follows this pattern. Q=200-300P+120 I +65T-250Ac+400 Aj Q= number of cups served I= per capita income T= average outdoor temperature Ac= competition's monthly advertising expenditure Aj=joy's own monthly advertising expenditures P=1.50, I=10, T=60, Ac=15, Aj=10 a) Estimate the number of cups served per week also determine outlet Demand curve b) Illustrate what would be the effect of a $5000 rise in the competitors' advertisement expenditure also outlet Demand curve c) Illustrate what would joy's advertising expenditure have to be to counteract this effect?