Suppose you invest $$500$ today. If your investment pays $6\%$ interest per year, how much will you have at the end of four years?

Suppose you invest $$5,000$ in a bank CD that pays $1\mathrm{.}2\%$ interest per year. How much money will you receive when you cash in the CD in $5$ years?

Suppose you invest $$5,000$ in a bank CD that pays $1\mathrm{.}2\%$ interest per year, but it is compounded monthly. How much money will you receive when you cash in the CD in $5$ years? $[$Hint: FV$=$PV $*(1+\frac{r}{n}{)}^{nt}]$

$*$In this case, $n=12$ represents the number of times interest is compounded per year.

Suppose you receive a $$10,000$ gift from your rich aunt. You decide to invest the gift in the stock market by buying an S&P $500$ ETF. Suppose the ETF earns $20\%$ in the first year, $14\%$ in the second year, $-12\%$ in the third year, $4\%$ in the fourth year, and then $6\%$ for three straight years. How much will your investment be worth after $7$ years?

Suppose you buy $100$ shares of Facebook $($FB$)$ Stock for $$190$ per share. At the end of $3$ years, FB is selling for $$310$ per share. What return did you earn? State your answer as an APR $($Annual percentage return$).$

From question #$4,$ what rate of return, stated in annual terms, did you earn on your investment? What was the average rate of return?

$[$Hint: Avg rate $=\frac{r1+r2+\text{d}\text{o}\text{t}\text{s}+r7}{7}.$ For example, $rl=20\%,r2=14\%$dots. $]$

Suppose you are confident you can earn $8\%$ per year by investing in the stock market. If your goal is to be a millionaire in $15$ years, how much would you need to invest today?

How much would you be willing to pay for an investment that promises to pay you $$100,000$ in $20$ years? Assume your required return on such an investment is $10\%$ per year.

Suppose you paid $$100,000$ for an investment that promises to pay you $$150,000$ in $10$ years. If you required return is $4\%$ per year, was this a good deal?

If you invest $$10,000$ today in an account earning $8\%$ per year, how many years until you have doubled your money? Tripled your money?