Below is a record of the purchases and sales of inventory throughout the first four months:

Units Cost / Price Per Unit 1 / 1 / * 7 Beginning Balance 100 $3.50 1 /31 / X 7 Purchase* 125 $4.00 2/15 / * 7 Purchase 250 $4.50 2/25 / *7 Sale 150 $7.75 3 / 10 / x 7 Purchase 300 $5.00 3/31 / * 7 Purchase 75 $5.50 4 /10/ x 7 Sale* 225 $8. 25 4 / 15 / * 7 Purchase 100 $6.00 4 /30 / * 7 Sale* 350 $8.50