At the grocery store, you choose to buy 4 items that cost: $2.69, $14.45, $3.05, and $9.95

1. Estimate the total cost of your groceries by rounding each price to the nearest dollar.
2. What is the actual/exact cost of your groceries (before tax)?
3. If the sales tax rate is 8% or 0.08, how much would your sales tax be for this transaction? Use the actual/exact cost from part b to calculate the sales tax. Round your answer to the nearest cent (or hundredths).
4. The total cost includes both the cost of the items and the sales tax.To pay for the items, you give the cashier three $10 bills and one $5 bill.How much change should you get back?