Select‌ ‌the‌ ‌correct‌ ‌answer.‌ ‌ Find‌ ‌the‌ ‌product.‌ ‌ 3(x+4)(x-5)‌ ‌ A.‌ ‌ ‌ 3‌x‌2‌‌ ‌−‌ ‌11‌x‌‌ ‌−‌ ‌20‌ ‌ B.‌ ‌ ‌ 3‌x‌2‌‌ ‌−‌ ‌20‌x‌ ‌ C.‌ ‌ ‌ 3‌x‌2‌‌ ‌−‌ ‌3‌x‌‌ ‌−‌ ‌60‌ ‌ D.‌ ‌ ‌ 3‌x‌2‌‌ ‌−‌ ‌‌x‌‌ ‌−‌ ‌20‌ ‌

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax