Answer: A. $52 million, $312 million, $156 million
Step-by-step explanation:
The percentage of the total cost incurred in a year is the percentage of revenue to recognize in that year.
2013 Revenue;
= (30/ 300) * 520
= $52 million
2014 Revenue;
= (180/300) * 520
= $312 million
2015
= (90/300) * 520
= $156 million