Calculation of average fixed cost per unit at an activity level of 5,600 units:
The average fixed cost per unit can be calculated using the following formula:
Average Fixed cost Per unit = Total Fixed Cost / Number of Units
Total Fixed Cost at the level of 5,600 units is given $86,240
Hence, Average Fixed cost Per unit = 86240/5600 = $15.40
So, the average fixed cost per unit at an activity level of 5,600 units is $15.40