The following information relates to JKL Company's materials inventory for the month of March 2021. 800 units at 5.00 200 units at 6.00 March 1 Beginning Balance 5 Purchases 6 Purchase Returns 9 Purchases 16 Issuances 22 Excess Materials 24 Purchases 27 Issuances 50 units 200 units at 7.00 400 units 20 units 300 units at 8.00 500 units Compute the Ending Inventory, if: 13. The costs of materials are charged in order of occurrence 14. The costs of materials are charged at an average cost perpetually (round off to the nearest peso) 15. The costs of materials are charged at an average cost periodically (round off to the nearest peso)