Please answer both questions. I really need it. Thanks a lot!

A credit sale of $3,800 is made on April 25, terms 2/10, net/30, on which a return of $200 is granted on April 28. What amount will be received as payment in full if collected on May 4 ? $3,528 $3.724 $3,800 $3,600 Question 8 5 pts Alpha First Company just began business and made the following four inventory purchases in June: A physical count of merchandise inventory on June 30 reveals that there are 210 units on hand. Using the LIFO inventory method, the value of the ending inventory on June 30 is $1,456 $1,508 $1,848 $1.824