Purchase Unit Cost per units Total Cost May $1$ Beginning Inventory $500$ $$136500$ May $10$ Purchase $350$ $$14\mathrm{.}505075$ May $19$ Purchase $175$ $$17\mathrm{.}253018\mathrm{.}75$ May $24$ Purchase $120$ $$182160$ Total $114516753\mathrm{.}75$ Sales Unit Selling Price May $9$ Sold $325$ $$35$ May $17$ Sold $170$ $$42$ May $26$ Sold $290$ $$45$ Specific units sold May $9325$ units from the May $1$ units on hand May $17110$ units from the May $1$ unit on hand May $1760$ units from the May $10$ purchase May $26180$ units from the May$10$ purchase May $26110$ units from the May $24$ purchase Based on the above information calculate the ending inventory and the cost of good sold under periodic inventory system by applying the three different methods.