1. Determining Missing Items in Return Computation

   One item is omitted from each of the following computations of the A measure of managerial efficiency in the use of investments in assets, computed as income from operations divided by invested assets.return on investment:

   Rate of Return on Investment		=	Profit Margin		x	Investment Turnover
   17 %		=	10 %		x	(a)
   (b)		=	16 %		x	0.75
   24 %		=	(c)		x	1.5
   12 %		=	20 %		x	(d)
   (e)		=	15 %		x	1.4

   Determine the missing items identified by the letters as shown above. If required, round your answers to two decimal places.

   (a)
   (b)	%
   (c)	%
   (d)
   (e)	%