Harkin Electronics is planning its production next quarter for its two product lines, relays and capacitors. Profit contribution is $250 for a case of relays and $200 for a case of capacitors. The company uses three resources to produce its product. Labor, stamping capacity and testing capacity.  Next quarter 80,000 hours of labor will be available; a case of relays requires 200 hours of labor and a case of capacitors require 150. The company has two stamping machines each are available for 800 hours next quarter, and a case of relays requires 4 hours on the stamping machine and a case of capacitors require 2 hours. Relays require 5 hours on the testing machine and capacitors require 3 hours. The testing machine will be available for 2,000 hours next quarter. The company has outstanding orders for 500 relays.   Formulate as a linear programming problem.