At an activity level of 9.000 machine-hours in a month, Moffatt Corporation's total variable maintenance cost is $390,240 and its total fixed maintenance cost is $368.280. What would be the total variable maintenance cost at an activity level of 9,300 machine-hours in a month? Assume that this level of activity is within the relevant range (Round intermediate calculations to 2 decimal places.) Mutiple Choice O $758.520 $390.240 $380.556 $403.248