________ can replace a series of one-on-one interviews

Macaulay Roller Skates has three product lines—D, E, and F

The following information is available: D E F Sales revenue $70,000 $60,000 $31,000 Variable costs (30,000 ) (10,000 ) (12,000 ) Contribution margin $40,000 $50,000 $19,000 Fixed costs (15,000 ) (10,000 ) (24,000 ) Operating income (loss) $25,000 $40,000 $(5,000 ) The company is deciding whether to drop product line F because it has an operating loss. Assuming fixed costs are unavoidable, if Macaulay drops product line F and does not replace it, what effect will this have on operating income? A) Operating income will increase $5,000. B) Operating income will increase $19,000. C) Operating income will increase $24,000. D) Operating income will decrease $19,000.

What is the difference between a primary key and a secondary key?

What will be an ideal response?