Hi, I need help completing the table for this question.

Firm A is: Amgen

Firm B is: Pfizer

Thanks so much!

4. Find and compare last ten year ROA's (Net Income/[(Beginning Total assets + Ending total assets)/2] of two firms. Calculate their means and standard deviations (STD) in Excel. Fiscal Firm A's Net Income (NI) (Smillions) Firm A's ROA (%) year end Firm B's Net Income (Smillions) Firm B's ROA (%) date NA NA 3 5 6 7 8 9 10 11 Mean STD no