The DAC$-45894$ company's total overhead cost at various levels of activity is presented below:

Assume that the overhead cost above consists of utilities, supervisory salaries, and maintenance. The breakdown of these costs at the

$3,000$ machine$-$hour level of activity is as follows:

Suppose the company uses the high$-$low method to estimate a cost formula for mixed costs. What is the total maintenance cost the

company expects to incur at an activity level of $5,100$ machine hours?

$$13,200$

$$13,800$

$$13,500$

$$12,800$