A typical laborer works $50$ hours per week for $20$ weeks of the year and $40$ hours per week for $29$ weeks of the year, and the remaining $3$ weeks per year comprises holiday leave, vacation, and sick leave, for which the laborers are paid for $40$ hours per week. Determine the number of billable hours during a $1-$year period. Assume that all hours are billable except holidays, vacation, and sick leave.

Group of answer choices

$3,240$

$540$

$2,160$

$1,080$