Answer:
[tex]\left[\begin{array}{cccc}Range&80,000&100,000&120,000\\ Materials&400,000&500,000&600,000\\ Labor&480,000&600,000&720,000 \\ Overhead&640,000&800,000&960,000 \\ Variable&1,600,000&2,000,000&2,400,000 \\ Depreciation&200,000&200,000&200,000 \\ Supervision&100,000&100,000&100,000 \\ Fixed&300,000&300,000&300,000\\ Total&1,960,000&2,300,000&2,700,000\\\end{array}\right][/tex]
Explanation:
We multiply the variable component for each relevant range.
Then for the fixed cost, we post the total.
Notice it is given for 1,200,000 units
so total depreciation 1,200,000 x 2 = 2,400,000 = 200,000 per month
Supervisor 1,200,000 x 1 = 1,200,000 = 100,000 per month