Lamar plans to buy a used truck that costs $$20,000.$ The dealer requires a $20\%$ down payment. The rest of the cost is finances with a $2-$year, fixed rate amortized auto loan at $6\%$ annual interest with monthly payments. Do not round any intermediate computations. Round your final answers to the nearest cent if necessary.

Find the requires down payment.

Find the amount of the auto loan.

Find the monthly payment.