$5-1.$ Mendez Co$.$ has identified an investment project with the following cash flows. If the discount rate is $10$ percent,

what is the present value of these cash flows?

$5-9.$ If you deposit $$5,300$ at the end of each year for the next $20$ years into an account paying $9\mathrm{.}8$ percent interest,

how much money will you have in the account in $20$ years?

$5-49.$ What is the value today of $$5,100$ per year, at a discount rate of $7\mathrm{.}9$ percent, if the first payment is received

six years from today and the last payment is received $20$ years from today?