Production Roberta Hernandez sells three items A,B and C in her gife shop each unit of A cost her 5. 1 to sell and 2 to deliver.

25.Production Roberta Hernandez sells three items A,B and C in her gife shop each unit of A cost her 5. 1 to sell and 2 to deliver. For each uint of B the costs are 3,2 and 1 repectively and for each uint of C the costs are 6,2,5 respectively.the profit A is is4 on b 3 and c 3 how many of each should she order to maximize her profit if she can spend 1200 on buying costs 800 on selling cost and 500 on delivery costs?