Use Chempaka Party Store (CPS) sells invitations, party favors, decorations, and food service items such as paper plates and napkins. When CPS buys its inventory, it pays 0.25 cent per package for invitations and 0.25 cent party favors. Decorations cost CPS 0.50 cent each, and food service items cost 0.20 cent per package. CPS sells invitations for RM2.50 per package and party favors for RM1.50 per package. Decorations sell for RM4.50 each and food service items for RM1.25 per package. During the month of May, CPS sells 1258 invitations, 342 party favors, 2426 decorations, and 1354 food service items. Use vectors and dot products to explain how much money CPS made in sales during the month of May. Then justify how much did the store make in profit.​