A restaurant owner takes out a $120-$month loan of $10,000$ today. To pay off the loan, the owner will make end$-$of$-$month payments of

for each of the first $30$ months,

for each of the next $40$ months, and

for each of the final $50$ months.

The monthly payments are based on an annual nominal interest rate of $6\%$ compounded monthly.

Determine which one of the following is an equation of value that can be used to calculate

$.$