1. **State the problem:** Mrs. Allen made a deposit of $150 and 11 monthly payments of $118 each to buy a refrigerator. 2. **Calculate the total amount of the monthly payments:** The total monthly payments equal the number of payments multiplied by the amount of each payment. $$\text{Total monthly payments} = 11 \times 118 = 1298$$ 3. **Calculate the total cost of the refrigerator using the payment plan:** Add the deposit to the total monthly payments. $$\text{Total cost} = 150 + 1298 = 1448$$ 4. **Calculate the cash price of the refrigerator:** Since paying cash would save $130, subtract this saving from the total cost. $$\text{Cash price} = 1448 - 130 = 1318$$ **Final answers:** (a) Total monthly payments = $1298 (b) Total cost using payment plan = $1448 (c) Cash price = $1318