Answer:
$81,630
Step-by-step explanation:
Cost formula for the wages and salaries = $3,390 per Month + $480 per Birth
Where;
Planned number of activity = 156 births
Actual level of activity = 163 births
Therefore, the wages and salaries in the flexible budget for January is calculated below;
= ($3,390 * 1) + ($480 * 163)
= $3,390 + $78,240
= $81,630