In the table below are the marginal-product and marginal-revenue-product schedules for resource A and resource B. Both resources are variable and are employed in purely competitive markets. The price of A is MYR1 and the price of B is MYR2. Sumber kuantiti Produk Produk Sumber kuantiti Produk Produk A yang marginal A/ pendapatan B yang marginal B/ pendapatan digunakan/ Marginal marginal A/ digunakan/ Marginal marginal B/ Quantity of product Marginal Quantity of product Marginal resource A of A revenue product resource B of B revenue product employed of A employed of B 20 RM5.00 20 RM5.00 16 4.00 18 4.50 12 3.00 16 4.00 VOUAWN- 10 2.50 VOUAWN- 12 3.00 8 2.00 8 2.00 4 1.00 6 1.50 2 .50 A 1.00 (i) Apakah gabungan sumber-sumber kos yang paling rendah A dan B yang akan membolehkan firma menghasilkan produk sebanyak 120 unit pengeluaran? What is the least-cost combination of resources A and B that would enable the firm to product 120 units of output? (5 markah/marks) (ii) Apakah gabungan keuntungan maksimum A dan B? What is the profit-maximizing combination of A and B? (5 markah/marks) (iii) Berapakah jumlah pengeluaran dan keuntungan apabila firma menggunakan gabungan keuntungan maksimum A dan B? What is total output and profit when the firm is employing the profit-maximizing