Derek will deposit $$599\mathrm{.}00$ per year into an account starting today and ending in year $18\mathrm{.}00.$ The account that earns $7\mathrm{.}00\%.$ How much will be in the account $18\mathrm{.}0$ years from today?

Answer format: Currency: Round to: $2$ decimal places.

Derek has the opportunity to buy a money machine today. The money machine will pay Derek $$39,103\mathrm{.}00$ exactly $13\mathrm{.}00$ years from today. Assuming that Derek believes the appropriate discount rate is $12\mathrm{.}00\%,$ how much is he willing to pay for this money machine?

Answer format: Currency: Round to: $2$ decimal places.