Net present value method $-$ annuity

Jones Excavation Company is planning an investment of $$108,700$ for a bulldozer. The bulldozer is expected to operate for $1,000$ hours per year for $6$ years. Customers will be chargec $$115$ per hour for bulldozer work. The bulldozer operator costs $$35$ per hour in wages and benefits. The bulldozer is expected to require annual maintenance costing $$10,000.$ The bulldozer uses fuel that is expected to cost $$46$ per hour of bulldozer operation.

$\backslash$table$[[$Present Value of an Annuity of $$1$ at Compound Interest$],[$Year$,6\%,10\%,12\%,15\%,20\%$