A sales invoice included the following information: merchandise price, $4,000; terms 1/10, nv/eom, FOB shipping point with prepaid freight of $563 added to the invoice. Assuming that a the invoice is paid within the descount period, what is the amount of cash that should be received by the credit for merchandise returned of $800 is granted prior to seller? Oa. $800 Ob. $3,731 Oc. $4,517 Od. $4,000