At an activity level of 9, 900 machine-hours in a month, Nooner Corporation's total variable production engineering cost is $882, 090 and Its total fixed production engineering cost is $196,000. What would be the total production engineering cost per unit, both fixed and variable, at an activity level of 10,000 machine-hours in a month? Assume that this level of activity is within the relevant range. (Do not round intermediate calculations.) $108.88 $107.81 $108.35 $108.70