Problem
Find the sales tax and total cost of an espresso machine that costs $\$ 38.95$. The tax rate is $4 \%$. Round your answer to the nearest cent. The sales tax is $\$ \square$. The total cost is $\$ \square$.
Solution
Step 1 ：Calculate the sales tax: \(38.95 * 0.04 = 1.56\)
Step 2 ：Calculate the total cost: \(38.95 + 1.56 = 40.51\)
Step 3 ：\boxed{\text{The sales tax is } $ 1.56 \text{ and the total cost is } $ 40.51}
