Please show work.

Bentz Co. has two divisions, A and B. Invested assets and condensed income statement data for each division for the past year ended December 31 are as follows:

	Division A	Division B
Revenues	$190,000	$125,500
Operating expenses	112,500	92,750
Service department charges	29,500	12,625
Invested assets	225,000	99,000

Using the expanded expression, determine the profit margin, investment turnover, and rate of return on investment for each division.