Use the information below to answer the following question. The following lots of a particular commodity were available for sale during the year: 10 units at $60 Beginning inventory First purchase Second purchase 25 units at $65 30 units at $68 Third purchase 15 units at $75 The firm uses the periodic system, and there are 25 units of the commodity on hand at the end of the year. What is the amount of inventory at the end of the year using the LIFO method? a. $1,575 Ob. $3,815 c. $1,685 d. $1,805