14. The amount of an invoice is $760.00, terms 3/10, 1/30, and n/60. The invoice is dated January 10th, and was paid on February 7th, of the same year. The amount lost by not paying the invoice within the first 10 days is: OA. $10.31 OB. $15.20 OC. $19.63 OD. $23.55 OE. none of the above