An investment with an initial deposit of $$5,331$ is growing at an interest rate of $4\mathrm{.}77\%$ compounded semi$-$annually. Round all answers to two decimal places if necessary.

Find the accumulated amount of the investment at the end of $2$ years.

The interest rate changes to $5\mathrm{.}91\%$ compounded monthly after the first $2$ years. Calculate the accumulated amount in this investment at the end of $7$ years.

$\frac{P}{Y}=$

$\frac{C}{Y}=$

$N=$

$\frac{\text{I}}{Y}=$

$PV=$$

$PMT=$$

$3.$find the total amount of interest accumulated during the entire $7$ years of the investment $.$

Total interest $=$$ $($Enter a positive value$)$