The Wiscow Manufacturing Company recorded overhead costs of $14,182 at an activity level of 4,200 machine hours and $8,748 at 2,300 machine hours. The records also indicated that overhead of $9,730 was incurred at 2,600 machine hours. What is the total estimated cost for 2,600 machine hours using the high-low method to estimate the cost equation?

$9,730 $9,606 $9,106 $8,788