this year is $72$ $ $/$share and that at the end of last year it was $40$$$.$ For both this year and last year $,$ compute :

a$.$ Earnings per share

b$.$ The dividend yield ratio

c$.$ The dividend pay out ratio

d$.$ The price earning ratio $.$ How do investors regard ABC company as compared to other companies in the industry $?$ Explain

e$.$ The book value per share of common stock $.$ Does the difference between market value per share and book value per share suggest that the stock at its current price is a bargain $?$

i need you to calculate and provide me with formulas for calculating the above ratio?

how did reach the below answers Performance of the Stock Market $($This Year & Last$)$:

a$.$ Profits per share: $$3\mathrm{.}5($previous year$),$ $$6($current year$)$

b$.$ The dividend yield ratio is $0\mathrm{.}62$ last year and $0\mathrm{.}5$ this year.

c$.$ Dividend Payout Ratio: $50\%($last year$)$ and $42\mathrm{.}8\%($current year$)$

d$.$ Price$-$Earnings Ratio: $17\mathrm{.}1($last year$)$ versus $12($current year$)$