Steps please

Bonita SA's record of transactions concerning part X for the month of April was as follows. (a1) Calculate average-cost per unit. Assume that perpetual inventory records are kept in units only. (Round answer to 4 decimal places, e.g. 2.7682.) Average-cost per unit R$ eTextbook and Media Attempts: 1 of 2 used (a2) Compute the inventory at April 30 on each of the following bases. Assume that perpetual inventory records are kept in units only. (Round final answers to 0 decimal places, e.g. 6,548.) (1) Specific identification; ending inventory is comprised of 280 units from beginning inventory and 430 units from the April 26 purchase. (2) First-in, first-out (FIFO). (3) Average-cost. Your answer is correct. If the perpetual inventory record is kept in dollars, and costs are computed at the time of each withdrawal, what amount would be shown as ending inventory under: (1) Specific identification, (2) FIFO, and (3) Average-cost? (Round average cost per unit to 4 decimal places, e.g. 2.7621 and final answers to 2 decimal places, e.g. 6,548.25.)