The sales tax rate for the state of Washington was 7.4\%. What is the state sales tax on a $\$ 5,500$ car in Washington? What is the final cost of the car, including tax? Question Help: $\quad$ Video Submit Question

Step 1 ：Convert the sales tax rate from percentage to decimal: \(\frac{7.4}{100} = 0.074\)

Step 2 ：Calculate the sales tax: \(5500 \times 0.074 = 407\)

Step 3 ：Calculate the final cost of the car: \(5500 + 407 = 5907\)

Step 4 ：\(\boxed{5907}\) is the final cost of the car, including tax.