Answer:
Sales commission = $121440
Explanation:
given data
sales volume = 20,000 units
total sales commissions = $132,000
to find out
total sales commissions at a sales volume of 18,400 units
solution
first we get here Variable cost per unit that is
Variable cost per unit = [tex]\frac{total\ sales\ commissions}{sales\ volume}[/tex] ................1
Variable cost per unit = [tex]\frac{132000}{20000}[/tex]
Variable cost per unit = $6.6 per unit
so Sales commission will be
Sales commission = sales volume × Variable cost per unit ............2
Sales commission = $6.6 × 18,400
Sales commission = $121440