XXX company uses both direct and indirect labour in its production process. Which of the following employees would not be classified as indirect labor? 

a. Plant Custodian. 

b. Plant supervisor. 

c. Assembler of wooden furniture. 

d. Plant security guard. 

e. Some other employee not listed here

Yasir Tan is considering the composition of the total cost forma. In the formula, Total cost = Fixed cost + (Variable rate Y Output), variable rate refers to the

a. Some other parameter not listed here.

b. intercept parameter .

c. dependent variable.

d. independent variable.