Can someone help me fill in the blanks?

Problem 1 Problem 3.36(a)-Manufacturing Mechanical Heart Valves (p. 127) Inputs Supplier 1 Supplier 2 Supplier 3 Cost/valve $75 $65 $50 % small 40% 30% 20% % medium % large 40% 20% 35% 35% 20% 60% Purchases Required Total cost Problem 1 Problem 3.36(a)-Manufacturing Mechanical Heart Valves (p. 127) Inputs Supplier 1 Supplier 2 Supplier 3 Cost/valve $75 $65 $50 % small 40% 30% 20% % medium % large 40% 20% 35% 35% 20% 60% Purchases Required Total cost