all one qustion

Shamrock Aircraft sells a wide variety of model aircraft and uses a perpetual inventory system. On June 1, Shamrock Aircraft had five Cessna 560 model airplanes on hand at a unit cost of $81. During June and July, the company had the following purchases and sales for this airplane (all for cash): Determine the cost of goods sold and ending inventory under a perpetual inventory system using (1) FIFO and (2) weighted average. (Round the welghted overage cost per unit and finol onswers to 2 dedmal places, es 5, 275.75.) Calculate gross profit using (1) FIFO and (2) weighted average. (Round the weighted average cost per unit ond finol answers to 2 decimal places, es. 5.275.75.)