really need help on part b and c

Sheridan Department Store uses a perpetual inventory system. Data for product E2-D2 include the following purchases. On June 1, Sheridan sold 26 units, and on August 27, 44 more units. (a) Your answer is correct. Prepare the perpetual inventory schedule for the above transactions using FIFO. Your answer is correct. Prepare the perpetual inventory schedule for the above transactions using FIFO. Prepare the perpetual inventory schedule for the above transactions using LIFO. Prepare the perpetual inventory schedule for the above transactions using moving-average cost. (Round average-cost per unit decimal places, es. 12.50 and final answers to 0 decimal places, eg. 1.250)