Please help with part b and c

To ensure a full line of outdoor clothing and accessories, the marketing department at Teddy Bower insists that they also sell waterproof hunting boots. Unfortunately, neither Teddy Bower nor TeddySports has expertise in manufacturing those kinds of boot: Therefore, Teddy Bower contacted several Talwanese suppliers to request quotes. Due to competition. Teddy Bower knows that it cannot sell these boots for more than $54. However, $40 per boot was the best quote from the suppllers. In addition, Teddy Bower anticipates excess inventory will need to be sold off at a 50 percent discount at the end of the season. Given the $54 price, Teddy Bower's demand forecast is for 580 boots, with a standard deviation of 480 . a. If Teddy Bower decides to include these boots in its assortment, how many boots should it order from its supplier? (Round your answer to nearest whole number.) b. Suppose Teddy Bower orders 560 boots. What would its expected profit be? (Round your answer to the nearest whole number Answer is complete but not entirely correct. b. Suppose Teddy Bower orders 560 boots. What would its expected profit be? (Round your answer to the nearest whole number.) * Answer is complete but not entirely correct. c. John Briggs, a buyer in the procurement department, overheard at lunch a discussion of the "boot problem." He suggested that Teddy Bower ask for a quantity discount from the suppller. After following up on his suggestion, the supplier responded that Teddy Bower could get a 7 percent discount if they were willing to order at least 1.160 boots. If the objectlive is to maximize expected profit, how many boots should it order given this new offer? (Enter your answer as a whole number.)