9. Moon Company uses a perpetual inventory system. The following represent the purchases and sales made during month of April: Date Activities Quantity in units Unit cost($) Unit selling price (5) April 1 Purchase 2,890 1.4 April 8 Purchase 1,567 1.5 April 17 Purchase 3,765 1.7 April 24 Sale 4,321 April 26 Purchase 1,672 1.9 April 29 Sale 675 5 April 30 Purchase 230 2 4 Assuming that FIFO is used, what is gross profit for April? (5 Points) $7.400 $13,3462 $20,659 some other amount