Tom's Thumb Corporation operates two garden supply stores: A and B. The following information relates to store A:

Sales revenue	$930,000
Variable operating expenses	427,000
Fixed expenses:
Traceable to A and controllable by A	290,000
Traceable to A and controllable by others	123,000

A's segment profit margin is:

	$213,000.
	$503,000.
	$380,000.
	$90,000.
	$508,000.