Solution:
Given that a 27-inch television set is advertised for $650 or $58 per month for 12 months on credit.
This implies that payment can be made at once by paying $650 or a monthly payment of $58 for 12 months.
A) The mathematical operations performed to find out how much a customer saves by paying cash instead of buying on credit include:
B) Amount of the savings.
The amount saved is evaluated as