day, the supplier takes them back at a rebate of $1 per unit. Assume that daily demand is approximately normally distributed with =150 and =30. (a) What is your recommended daily order quantity for the coffee shop? (Round your answer to the nearest integer.) (b) What is the probability that the coffee shop will sell all the units it orders? (Round your answer to four decimal places.) the nearest integer.) What happens to the coffee shop's order quantity as the rebate is reduced? The higher rebate the quantity that the coffee shop should order