Jack and Jill borrow $$20,000$ at $7\mathrm{.}3\%$ amoritzed over $7$ years to drill a well and renovate their kitchen and bathrooms. Assuming

that the monthly principal and interest payments are made as agreed, what is the loan balance at the end of $2$ years? $($Round to

nearest penny and enter, for example, as $123456\mathrm{.}78)$