The Accounting Club wants to have a party for its members. The cost of renting space is $1,440, and the cost of refreshments will be $19 per person.

Required:

1-a. What is the total cost if 300 people attend?

1-b. What is the average cost? (Round your answer to 2 decimal places.)

2-a. What is the total cost if 400 people attend?

2-b. What is the average cost? (Round your answer to 2 decimal places.)