Solve the Problem $\$ 30$ Per Day or Portion of a Day to Rent a Per

Multiple Choice

Solve the problem.}
-A car rental firm charged $\$ 30$ per day or portion of a day to rent a car for a period of 1 to 4 days. Days 5 to 8 were then "free," while the charge for days 9 through 15 was again $\$ 30$ per day. Let $C(t)$ represent the total cost to rent the car for $t$ days, where 15 . Find the total cost of a rental for 3 days.

A) $\$ 30$
B) $\$ 90$
C) $\$ 120$
D) $\$ 33$