Your High-powered economic consultant had conducted a study of the demand for your product and measured the following regression relationship between quantity (Q) sold in thousands of units and price (P), income (M) and customer age in (A):

Q=14-5.4P+0.05M-.07A

A. What direction (increase or decrease) will quantity change if you raise your price?

B. If the economy goes in to recession and incomes fall, what will happen to quantity sold (increase or decrease)?

C. For each increase in a customer's age by one year, all other things unchanged, what will happen to quantity sold(increase or decrease)? If the company president asks you who the target audience for their product is, what would you recommend: 1) Try to sell to older people or 2) try to sell to younger people?