4. Touchie McFeelie produces comic books using old jokes and cartoonists' labor.Touchie'sproduction function is given by y = f(J, L) =0.1J1/2L3/4, where J is the number of old jokes used and L is the number of hours of cartoonists' labor. Touchie is stuck with 400 old jokes for which he paid 4 dollars each. If the hourly wage rate for cartoonists is 5 dollars, what is the total cost of producing 16 comic books?