western company begins the year with $50,000 of inventory on hand. during 2018, western purchases additional inventory for $100,000 cash. sales for the year, all on account, totaled $70,000 and the cost of the inventory sold was $40,000. assuming western uses a perpetual inventory system, the journal entry to record the purchase of inventory during the year includes which of the following? (select all that apply.) multiple select question. credit cash $100,000