Cost Behavior. Assume you are a consultant performing work for two different companies. Each company has asked you to help them identify the behavior of certain costs.

Required:

Identify each of the following costs for Hwang Company, a producer of ski boats, as variable $($V$),$ fixed $($F$),$ or mixed $($M$)$:

$\_\_\_\_\_$Salary of production manager

$\_\_\_\_\_$Materials required for production

$\_\_\_\_\_$Monthly rent on factory building

$\_\_\_\_\_$Hourly wages for assembly workers

$\_\_\_\_\_$Straight$-$line depreciation for factory equipment

$\_\_\_\_\_$Annual insurance on factory building

$\_\_\_\_\_$Invoices sent to customers

$\_\_\_\_\_$Salaries and commissions of salespeople

$\_\_\_\_\_$Salary of chief executive officer

$\_\_\_\_\_$Company cell phones with first $50$ hours free, then $10$ cents per minute

Identify each of the following costs for Rainier Camping Products, a maker of backpacks, as variable $($V$),$ fixed $($F$),$ or mixed $($M$)$:

$\_\_\_\_\_$Hourly wages for assembly workers

$\_\_\_\_\_$Fabric required for production

$\_\_\_\_\_$Straight$-$line depreciation on factory building

$\_\_\_\_\_$Salaries and commissions of salespeople

$\_\_\_\_\_$Lease payments for factory equipment

$\_\_\_\_\_$Company cell phones with first $80$ hours free, then $8$ cents per minute

$\_\_\_\_\_$Invoices sent to customers

$\_\_\_\_\_$Salary of production manager

$\_\_\_\_\_$Salary of controller $($accounting$)$

$\_\_\_\_\_$Electricity for factory building

How might the managers of these companies use the cost behavior information requested?