Answer:
a. $1,009,560
Step-by-step explanation:
Note: The full question is attached
Variable portion = (Total overhead for 5,400 units - Total overhead for 4,400 units) / (5,400 units - 4,400 units)
Variable portion = [($68.30)(5,400) - ($74.30)(4400)/(5,400 - 4,400)
Variable portion = (368,820 - 326,920)/1000
Variable portion = 41.9
Total cost for manufacturing 5,100 units = (5,100) ($77.90 + $50.20 +$ 41.90 )+ (368,820 - (5,400)(41.90)
Total cost for manufacturing 5,100 units = $867,000 + $142,560
Total cost for manufacturing 5,100 units = $1,009,560