[8 pts.] 7. Find the number of pieces required to pay for a fixture if the fixture costs $800 and four run is made per year a = 0.03, -50%, cost of each setup - $12 1-6%, T-4%, M-10%, D-50% [8 pts.] 7. Find the number of pieces required to pay for a fixture if the fixture costs $800 and four run is made per year a = 0.03, -50%, cost of each setup - $12 1-6%, T-4%, M-10%, D-50%