_ A company calculates the prices of jobs by adding overheads to the prime cost and adding 30% to total costs as a profit margin. Job number Y256 was sold for Rs1690 and incurred overheads of Rs 694. What was the prime cost of the job?$?

_ A company calculates the prices of jobs by adding overheads to the p

1.	_ A company calculates the prices of jobs by adding overheads to the prime cost and adding 30% to total costs as a profit margin. Job number Y256 was sold for Rs1690 and incurred overheads of Rs 694. What was the prime cost of the job?$?
A.	Rs 489
B.	Rs 606
C.	Rs 996
D.	Rs 1300
Answer» C. Rs 996