$2.$ If a company invests $$20,000$ at $8\%$ simple interest for $15$ years, how much will it have at the end of that time?

$4.$ What would be the value of $$17,000$ invested for $5$ years at $7\%$ interest compounded daily?$$

$6.$ How much will $$10,000$ invested at $7\mathrm{.}5\%$ continuous compounding be worth at the end of $5$ years?

$8.$ What is the effective interest rate for $9\mathrm{.}5\%$ interest compounded monthly?$$

$10.$ If an organization needs to have $$1,500,000$ in $7$ years, how much should it invest now if it can make $9\mathrm{.}5\%$ compounded semiannually?

$12.$ XYZ company is looking to borrow money. One bank offers a loan at $7\mathrm{.}5\%$ compounded monthly. Another bank offers a loan at $7\mathrm{.}45\%$ compounded daily. Which loan should the company take?

$14.$ Bill wants to invest $$50,000$ for the next $7$ years. If the investment is going to generate $10\%$ interest compounded monthly, how much will he have at the end of the $7$ years?