question 3 and 4

thx

3. A retailer discovers that 50% of the total inventory items delivered from the manufacturer are damaged. The original purchase for all inventory was $1,100. The retailer decides to return 20% of the damaged inventory for a full refund and keep the remaining 80% of damaged inventory. What is the value of the merchandise returned? 4. If a customer purchased merchandise in the amount of $340, terms 3/10, n/30, returned $70 of the inventory for a full refund, and received an allowance for $65, how much discount would be applied if the customer remitted payment within the discount window