Perform a vertical common-size analysis of revenues, using total revenue as the base, and comment on...

Super Power Company reported the following statistics in its statements of income:

	2009	2008
Electric   revenues:
Residential	$11,800,000	$10,000,000
Commercial   and industrial	10,430,000	10,000,000
Other	600,000	500,000
	22,830,000	20,500,000
Operating   expenses and taxes*	20,340,000	18,125,000
Operating   income	2,490,000	2,375,000
Other   income	200,000	195,000
Income   before interest deductions	2,690,000	2,570,000
Interest   deductions	1,200,000	1,000,000
Net   income	$1,490,000	$1,570,000

Required

a. Calculate the operating ratio and comment on the results.

b. Calculate the times interest earned and comment on the results.

c. Perform a vertical common-size analysis of revenues, using total revenue as the base, and comment on the relative size of the component parts.