Alice Rathermel audited LoHo Company’s inventory using sampling. She examined 120 items from an inventory compilation list and discovered net overstatement of $ 480. The audited items had a book (recorded) value of $ 48,000. There were 1,200 inventory items listed, and the total recorded inventory amount was $ 490,000. What is the projected mis-statement using mean- per- unit estimation? 

a. $ 480

b. $ 576,000

c. $ 10,000

d. $ 480,000