7. Analyze the following for Grand Finale Fireworks: a-1. Calculate the return on equity for the month of January.

a-2. If the average return on equity for the industry for January is 2.5%, is the company more or less profitable than other companies in the same industry?

	More profitable
	Less profitable

b. How many shares of common stock are outstanding as of January 31, 2018?

c-1. Calculate earnings per share for the month of January. (Hint: To calculate average shares of common stock outstanding take the beginning shares outstanding plus the ending shares outstanding and divide the total by 2.)

I have the infomration but how do i calculated it?