$1.$ Suppose you buy one share of stock for $$25\mathrm{.}38,$ and after one year the same stock is selling for $$23\mathrm{.}33$ per share. Assuming there were no other cash flows $($no dividends$),$ what was your return on that investment? $($Enter a decimal, not a percentage; $0\mathrm{.}0600,$ not $6\mathrm{.}00\%)$

$2.$ Suppose you are offered a contract with two payments of $$364$ and $$402,$ which you will receive in $2$ years and $3$ years, respectively. If the discount rate is $8\mathrm{.}35\%,$ what is the contract worth to you today?

$3.$ Suppose you deposit $$3570$ into an account that earns $7\mathrm{.}79\%$ per year. How many years will it take for your account to have $$5185$ if you leave the account alone? Round to the nearest tenth of a year.

$4.$ Suppose you buy a share of stock for $$20\mathrm{.}27.$ After a year, it sells for $$27\mathrm{.}71$ per share. If you received $$2\mathrm{.}63$ in dividends over the course of the year, what was your rate of return? $($Enter your answer in decimal, not percent, form; $0\mathrm{.}1234,$ not $12\mathrm{.}34\%)$

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