Question 4 Robert is ordering a pair of boots that cost $59.99. If the sales tax is 7% and the shipping is $9.99, what is the total cost?$59.99$66.99$74.18$69.27Question 5 Tina is ordering a pair of shoes that cost $123.99. If the sales tax is 8% and the shipping is $19.99, what is the total cost?$155.50$143.98$153.90$133.91