The following data are taken from the management accounting reports of Dancer Co.:

Div. A Div. B Div. C
Income from operations $3,600,000 $3,700,000 $2,700,000
Total service department charges 3,400,000 2,100,000 2,200,000

If an incentive bonus is paid to the manager who achieved the highest income from operations before service department charges, it follows that
a. Division A's manager is given the bonus.
b. Division B's manager is given the bonus.
c. Division C's manager is given the bonus.
d. the managers of Divisions B and C divide the bonus.