Answer all parts please

Delta Properties builds houses. They have two models, Economy and Deluxe. The cost to build depends on the square footage of the house and the size of the lot. Of course, the house and lot for the Deluxe model are larger than those for the Economy model. The size of the house and the lot size for each model is given in the table below, in number of square feet: Size of Building Size of Lot Economy Model 2200 7000 Deluxe Model 3300 8000 The next table gives Delta's cost per square foot to build a house and to buy a lot, in dollars. Building Cost Lot Cost 400 200 The size and cost information is summarized in the following matrices: S 2200 7000 400 C 3300 8000 200 a. Compute the product SC. Preview b. What is the (2, 1)-entry of matrix SC? (SC)21= Preview c. What does the (2, 1)-entry of matrix (SC) mean? Select an answer Select an answer The total cost for the economy model. The cost of the building for deluxe model The total cost for the deluxe model. The cost of the lot for the economy model. Submit