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12. The Fireside Shop offers chimney caps for $120 less 25/10. The same chimney cap is offered by Builders Supply for $111 less 25/5. Find (a) the firm that offers the lower price and (b) the difference in price. 13. The amount of an invoice from Cloverdale Creamery is $1780 with terms of 2/10, 1/15, net 30 with shipping charges of $120.39. The invoice is dated March 8. (a) What amount should be paid on March 20? (b) What amount should be paid on April 3? 14. Diamond Consulting receives an invoice dated November 23 for $2514 with terms of 3/15 EOM with shipping and insurance charges of $88.50. If the invoice is paid on December 14, find the amount necessary to pay the invoice in full