please answer both questions in 10 min thanks

A 4th of July celebration T-shirt for this year will cost festival organizers $10 each and will sell for $25 before and on July 4th. Any unsold T-shirts can usually be sold at a discount after the festival for $5 each. If demand is normally distributed with a mean of 1,800 T-shirts and a standard deviation of 75, Note: do not put a comma () in your answer. A. What is the desired service level? Please enter the service level as a number between 0 and 1. Answer: (round to two decimal places) B. How many shirts should be ordered? Answer: (round to a whole number) The inventory management team wants to prioritize inventory items based on annual sales revenue. The annual sales of each item is listed in the table below. Item # Annual Sales Revenue ($) 1 95,000 2 1,500 3 425 4 15,000 5 7,500 6 6 13,000 7. 225 8 800 9 25,000 10 75,000 Using ABC classification system, class A items are: Select one: a. 1,9 b. 1,2,3,4 10 75,000 Using ABC classification system, class A items are: Select one: a. 1,9 b. 1, 2, 3, 4 O c. 1, 10 d. 1, 9, 10 e. 4, 6, 10