Tim Meekma purchased a microwave oven for $345.88. The delivery charge was $25.00 and the installation amounted to $75.00. The state sales tax is 6 1l4% and the county tax is 1.1%. a. What is the total amount of sales tax on the microwave oven? Microwave oven price = State sales tax rate = County sales tax rate = Sales tax on microwave oven : b. What is the total purchase price? Microwave oven price : Sales tax on microwave oven : Delivery charge : Installation charge : Total purchase price =