$1.$ After $1$ year, what is the total amount deferred as part of this employee's $401($k$)$ Plan?

$2.$ For the first year, what is the total amount this employee can defer from their taxable income?

$3.$ What is the difference between what the employee is deferring here and the IRS $401($k$)$ plan limit for $2021?$

$4.$ For the first year of this employee's participation, what is their total expected 'Rate of Return' on deferred monies?

$5.$ For the first year of this employee's participation, what is the actual 'Rate of Return' on deferred monies?