Urban Auto Glass specializes in the repair and replacement of windshields for passenger vehicles. Variable and fixed costs related to installation activities for the most recent month (July) are listed below.

Item
Number of windshields installed		1,250
Variable expenses:
Direct materials	$	252,500
Direct labour (1 hour per installation)		36,250
Indirect materials		10,000
Fixed expenses:
Installation supervisors wages	$	5,000
Installation schedulers wages		3,750
Warehouse expenses		6,250

Required:

1. Calculate the per unit amounts for each of the variable expense and fixed expense items in July.

Item	Per Unit
Variable expenses:
Direct materials
Direct labour (1 hour per installation)
Indirect materials
Fixed expenses:
Installation supervisors wages
Installation schedulers wages
Warehouse expenses

2. Management expects that 1,450 windshields will be installed in August and that this level of activity is within the relevant range for all variable and fixed expenses.

Item	Per Unit
Variable expenses:
Direct materials
Direct labour (1 hour per installation)
Indirect materials
Fixed expenses:
Installation supervisors wages
Installation schedulers wages
Warehouse expenses

Item	August (Total Cost)	August Per Unit
Variable expenses:
Direct materials
Direct labour (1 hour per installation)
Indirect materials
Fixed expenses:
Installation supervisors wages
Installation schedulers wages
Warehouse expenses

a&b-1. Calculate the total expense and per unit amounts for each of the variable and fixed cost items above. (Round "per unit" answers to 2 decimal places.)

b-2. Not available in Connect.

3. Identify some factors that might cause variable costs per unit to change if the actual level of activity in a given month falls above or below the relevant range. (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.)

check all that apply

• Direct material costs per unit could decrease if quantity discounts are received from the manufacturer for larger order quantities.unanswered
• Direct material costs could increase if quantity discounts currently being received are lost if order quantities decrease significantly.unanswered
• Direct labour costs per unit could increase if activity levels increase and installations have to be completed using more expensive overtime hours.unanswered
• Direct labour costs per unit could increase if activity levels decrease and less experienced, and lower paid, installers are laid off.unanswered
• Direct labour costs per unit could decrease as the number of installations increases due to the effects of learning (i.e., the time required for each installation may decrease with experience).unanswered
• Direct material costs per unit could increase if quantity discounts are received from the manufacturer for larger order quantities.unanswered
• Direct material costs could decrease if quantity discounts currently being received are lost if order quantities decrease significantly.