Answer:
The cost 3 is 890000 dollars.
Step-by-step explanation:
Total product costs = $2100000
Variable cost included in total product costs = $450000
Fixed cost included in total costs = $900,000
Mixed costs = $750000
cost 3 (mixed cost) = 2390000 – 600000 - 900000
cost 3 (mixed cost) = 890000 dollars.