Ozzie has a coupon for 5% off any purchase in his favorite bakery. When Ozzie stops to buy some cookies, he discovers that all cookies are on sale for 15% off the regular price. The cookies are regularly $5.89 per dozen. If Ozzie uses his coupon and pays 7% sales tax, how much does he pay for two dozen cookies?a.$9.42b.$9.51c.$10.08d.$10.18