1. Walk Rock Music exercise (total the numbers) a. For Line 9 cells 59-19, use a function to total the amounts for the northeast, southeast Midwest, south and west. b. For Line 10, cells blo-10, use a formula to total the amounts for the northeast, southeast, Midwest, south and west. 2. Advanced Exercise 3 (low inventory, order amount, counts) a. For cells blo-b13, use the count and countif functions to determine the count values. Answers should be a numeric value. b. For cells c2-c7, use the IF function to determine if the inventory is