I know the answer id D. Please expain. Thank you.

10. Addison Hardware began the month of November with 150 large brass switchplates on hand at a cost of $4.00 each. These switchplates sell for $7.00 each. The following schedule presents sales and purchases of this item during the month of November Purchases Date of Transaction November November 7 November 9 November 11 November 17 November 22 November 29 200 200 250 $4.20 | 4.40 4.80 150 220 100 out If Addison uses FIFO inventory pricing, the value of the inventory on November 30 would be a. $936 b. $1,046 c. $1,07 -d $1,1 04