Please answer all and only choose from answers provided. Thank you

A $275-$day T$-$bill has an effective annual yield of $5\mathrm{.}80\%.$ Its bank discount yield is closest to:

$3\mathrm{.}6\%.$

$4\mathrm{.}7\%.$

$5\mathrm{.}7\%.$

$6\mathrm{.}6\%.$

Suppose your parents make $18$ equal payments $($every payment is $$5,000)$ every year into an investment account for your $4-$years college expenses today. The first expense at the beginning of year $19$th $($end of Year $18).$ Assuming a $15\%$ rate of return, what is your maximum annual college budget?

$$132714.$

$$132814.$

$$132914.$

$$133014.$

An investor has just won the lottery and will receive $$200,000$ per year at the end of each of the next $30$ years. At a $5\%$ interest rate, the present value of the winnings is closest to:

$$3,074,490.$

$$3,528,670.$

$$3,020,310.$

$$3,925,210.$

For planning purposes, an individual wants to be able to spend $$90,000$ per year, at the end of each year, for an anticipated $30$ years in retirement. In order to fund this retirement account, he plan to make annual deposits for $20$ years at the end of his each working year. What is the amount he need deposit each year to fund his desired retirement spending? Use $10\%$ as an annual simple rate for all calculations.

$$12213.$

$$13323.$

$$14813.$

$$15121.$