Answer: $42,000
Step-by-step explanation:
The total cost of Assembly is $168,000.
This is for the machine hours spent on both Antique and Modern clocks of:
= 3,600 + 1,200
= 4,800 hours
Modern clocks assembly costs would be:
= Modern clock machine hours / Total machine hours on assembly * Cost of assembly
= 1,200 / 4,800 * 168,000
= $42,000