Car Rental Cost Analysis

A car rental company has a special promotional rate that includes a base fee and a daily charge. The conditions of the promotional rate are as follows:

Base Fee: $30.00

Daily Charge: $12.00 per day for each day the car is rented

Additionally, if a customer rents the car for more than 5 days, they receive a 20% discount on the total of the base fee and daily charges combined. A customer rents the car for 7 days.

Calculate the final amount that the customer will pay.

Let:

Quantity A: The final amount the customer will pay

Quantity B: $300