This is overdue o-o

(1) the shoe store’s clerks are paid on commission. if the clerk receives a 12% commission on total purchase amounts before tax is applied, how much would the commission be for isaac’s purchase with and without a coupon?

(2) isaac and his sister plan to surprise their parents by buying them each a pair of shoes. they agree that isaac will pay 68% of the price since he receives a greater allowance. use an estimation strategy to determine how much isaac will pay if the total bill is $97.65. show the step-by-step process you used to solve the problem.