For the year ending December $31,2017,$ sales for Company Y were $$65\mathrm{.}51$ billion. Beginning January $1,2018$ Company Y plans to invest $7\mathrm{.}5\%$ of their sales amount each year and they expect their sales to increase by $7\%$ each year over the next three years.

Company Y invests into an account earning an APR of $1\mathrm{.}3\%$ compounded continuously. Assume a continuous income stream.

How much money will be in the investment account on December $31,2020?$

Round your answer to three decimal places.

$13\mathrm{.}517$

Incorrect: Your answer is incorrect.

billion dollars

How much money did Company Y invest in the account between January $1,2018$ and December $31,2020?$

Round your answer to three decimal places.

$16\mathrm{.}901$

Incorrect: Your answer is incorrect.

billion dollars

How much interest did Company Y earn on this investment between January $1,2018$ and December $31,2020?$

Round your answer to three decimal places. If intermediate values are used, be sure to use the unrounded values to determine the answer.