An electronics firm produces two models of pocket calculators: the A-100(A) and the B -200(B) Each model uses one circuit board of which there are only 2,500 available for this week's production. In addition the company has allocated a maximum of 800 hours of assembly time this week for producing these calculators. Each A-100 requires 15 minutes to produce while each B-200 requires 30 minutes to produce . The firm forecasts that it could sell a maximum of 4,000 of the A-100s this week and a maximum of 1,000 B-200s . Profits for the A-100 are $1.00 each and profits for the B-200 are $4.00 each . The firms goal is to maximize profits . What is the weekly profit when producing the optimal amounts?