Multistep question need help with both

Companies using a perpetual inventory system: Multiple Choice must physically count their inventory at least once a week. still need to count the physical Inventory occasionally. always know the actual amount In Inventory from their accounting records. never physically count their Inventory. A company purchased $6,000 of merchandise. Transportation costs were an additional $100. The company later returned $250 of the merchandise and paid the invoice within the 2% discount period. What is the total amount of cash paid? Multiple Choice O O $5,730 o o O O $5,733 O o $6,100 O O $5,735