Question 7 (10 Marks) Campaign Printing has two service departments, S1 and S2, and two production departments, P1 and P2. The data for May were as follows: Activity S1 S2 Services provided to: S1 S2 10% 20% P1 40% 55% P2 50% 25% Costs $90,000 $60,000 Fixed Costs $360,000 $520,000 P1 P2 Required: a. Set up algebraic equations in linear form for each activity. (2 Marks) b. Determine total costs for each department by solving the equations from part (a) using the reciprocal method