Touchie MacFeelie's Production Function Is , Where J Is

Multiple Choice

Touchie MacFeelie's production function is , where J is the number of old jokes used and L is the number of hours of cartoonists' labor. Touchie is stuck with 900 old jokes for which he paid 4 dollars each. If the wage rate for cartoonists is 6 dollars, then the total cost of producing 24 comics books is

A) 3,720 dollars.
B) 3,696 dollars.
C) 1,848 dollars.
D) 5,544 dollars.
E) 924 dollars.