Pie chart given below shows total number of workers in three different companies. Table given below shows ratio between officers and workers working in these companies. Study the data carefully and answer the following questions
Total workers =900

Note: total employees = officers + workers
Find the difference between total number of workers in company ‘A’ and total number of workers in company ‘B’ and ‘C’ together?

Options

A. 324
B. 423
C. 523
D. 624