Solve the Problem. -Using a Phone Card to Make a Long Distance Call

question 32

Multiple Choice

Solve the problem.
-Using a phone card to make a long distance call costs a flat fee of $0.85 plus per $0.19 minute starting with the first minute. Find the total cost of a phone call which lasts 8 minutes.

• A) $6.00
• B) $1.52
• C) $2.37
• D) $8.16

---

Definitions:

Marginal Costs

The extra expense associated with making an additional unit of a product or service.

Marginal Benefit

The additional satisfaction or utility gained from consuming one more unit of a good or service.

Marginal Benefits

The additional satisfaction or utility gained by consuming one more unit of a good or service.

Marginal Costs

A rephrased definition: The cost added by producing one additional unit of a product or service, reflecting the change in total cost that arises from an increase in production.