Please help me complete this!

I have been struggling for a while, and mainly I need the answer.

Thank you!

1) A direct cost is a cost that cannot be easily traced to the particular cost object under consideration 2)Direct material costs are generally fixed costs. 3) Variable costs are costs that vary, in total, in direct proportion to changes in the volume or level of activity. Yes MULTIPLE CHOICE. Choose the best answer (1 at each) 4) The salary paid to the maintenance supervisor in a manufacturing plant is an example of. Product Cost Manufacturing Overhead No Yes Yes No Yes No Na A) Option A B) Option B C) Option D) Option D 5) If the level of activity, i.e., manufacturing units, increases within the relevant range: A) fixed cost per unit and total variable cost also increase. B) total cost will increase and fixed cost per unit will decrease. C) variable cost per unit and total fixed costs also increase. D) variable cost per unit and total cost also increase