I need help

University of Florida football programs are printed 1 week prior to each home game. Attendance averages 90,000 screaming and loyal Gators fans, of whom two-thirds usually buy the program, following a normal distribution, for $5 each. Unsold programs are sent to a recycling center that pays only 10 cents per program. The standard deviation is 10,000 programs, and the cost to print each program is $2. Refer to the : for z-values. a) What is the cost of underestimating demand for each program? Cs=$3 (round your response to two decimal places). b) What is the overage cost per program? Co=$1.90 (round your response to two decimal places). c) How many programs should be ordered per game? programs should be ordered per game (round your response to the nearest whole number)