At an activity level of 8,700 machine hours in a month, Falks Corporation's total variable production engineering cost is $728,190 and its total fixed production engineering cost is $232.290. What would be the total production engineering cost per machine-hour, both fixed and variable, at an activity level of 8,900 machine-hours in a month? Assume that this level of activity is within the relevant range. (Round intermediate calculations to 2 decimal places.) Multiple Choice 0 O $108.91 O $109.98 0 O $109.80 0 $109.45 0