In its first month of operations, Sheridan Company made three purchases of merchandise in the following sequence: (1) 330 units at $ 8, (2) 440 units at $ 9, and (3) 230 units at $ 10. (a) Calculate the average unit cost. (Round answer to 2 decimal places, e.g. 15.25.) Average unit cost $ $ e Textbook and Media Assistance Used e Textbook Save for Later Attempts: 0 of 3 used Submit Answer (b) Compute the cost of the ending inventory under the average-cost method, assuming there are 380 units on hand. (Round answer to O decimal places, e.g. 1,250.) The cost of the ending inventory $ $