You have the following information for Tamarisk inc. for the monthended October 31, 2022. Tamarisk uses a periodic method for inventory. (a1) Calculate the weighted average cost, (Round anwer to 3 decimal places eg 5.125) Weighted average cost per unit Calculate ending inventory, cost of goods sold, gross profit under each of the following methods. (1) LIfO (2) FlEO. (3) Average-cost. (Round per unit cost to 3 dedimal ploces, eg, 15.647 and final answes to 0 decimal ploces, es. 5.125) (a3) Calculate gross profit rate under each of the following methods. (1) UFO. (2) FIFO. (3) Average-cont. (Round answers to 1 decinal ploce,es. 51.2w )