Hi, I really need help on this question if you could please complete these problems and show your work that would be awesome!

The following is a list of various costs of producing shirts. Classify each cost as either a variable, fixed or mixed cost for units produced and sold.

(a)	Hourly wages of sewing machine operators.
(b)	Warehouse rent of $8,000 per month.
(c)	Electricity costs of $0.049 per kilowatt-hour.
(d)	Salary of the production supervisor.
(e)	Property taxes on the factory, building, and equipment.
(f)	Salary of the night-time security guard of $3,800 per month.
(g)	Cotton and polyester cloth.
(h)	Advertising costs of $12,000 per month.
(i)	Sales commissions of $6,000 plus $0.05 for each item sold.
(j)	Straight-line depreciation on sewing machines.
(k)	Buttons for the shirts.
(l)	Maintenance costs with sewing machine company the cost is $2,000 per year plus $0.001 for each machine hour of use.