(Table: Detailers for Cars I) Carl's Detailing Is a Small

question 8

Multiple Choice

(Table: Detailers for Cars I) Carl's Detailing is a small business that travels to people's homes to meticulously clean their high-end sports cars. Carl hires detailers (labor) at a wage of $80 per worker per day. A van that is used to carry cleaning supplies to clients' homes has a fixed cost of $20 per day. The table shows the relationship between the number of cars cleaned and the number of detailers. The marginal cost of cleaning the first car is _____, and the marginal cost of cleaning the third car is _____.

• A) $80; $480
• B) $80; $240
• C) $100; $260
• D) $100; $300