Answer:
Fixed cost per month is $48,000
Variable cost per unit is $1.30
Step-by-step explanation:
Variable cost= cost at higher activity-cost at lower activity/(labor hours at higher activity-labor hours at lower activity)
cost at higher activity is $165,000
cost at lower activity is $100,000
labor hours at higher activity is 90,000 hours
labor hours at lower activity is 40,000
variable cost=($165,000-$100,000)/(90,000-40,000)=$1.30 per hour
Fixed cost=total cost-(variable cost*number of hours)
The fixed cost at higher activity is computed thus:
Fixed cost=$165,000-(90000*$1.3)
fixed cost=$165,000-$117,000=$48,000