C- A manufacture makes dresses in two sizes, big and small; it takes 5 and 3 h to finish the large one and small one respectively. The profit for both small and large are 40 and 10 S respectively. The...

Extracted text: C- A manufacture makes dresses in two sizes, big and small; it takes 5 and 3 h to finish the large one and small one respectively. The profit for both small and large are 40 and 10 S respectively. The manufacture speed about 20 h a week making addresses and must produce 3 large and 5 small per week at least. Calculate the max profit per week.