Presented here are summarized data from the balance sheets and income statements of Wiper Incorporated: Required:

a$.$ Calculate return on investment, based on net income and average total assets, for $2023$ and $2022.$

b$.$ Calculate return on equity for $2023$ and $2022.$

c$.$ Calculate working capital and the current ratio for each of the past three years.

d$.$ Calculate earnings per share for $2023$ and $2022.$

e$.$ If Wiper's stock had a price$/$earnings ratio of $12$ at the end of $2023,$ what was the market price of the stock?

f$.$ Calculate the cash dividend per share for $2023$ and the dividend yield based on the market price calculated in part e$.$

g$.$ Calculate the dividend payout ratio for $2023.$

h$.$ Assume that accounts receivable at December $31,2023,$ totaled $\backslash (\backslash$$ $329\backslash )$ million. Calculate the number of days' sales in receivables at that date.

i$.$ Calculate Wiper's debt ratio and debt$/$equity ratio at December $31,2023$ and $2022.$

j$.$ Calculate the times interest earned ratio for $2023$ and $2022.$ Complete this question by entering your answers in the tabs below.

Req $\backslash ($ A $\backslash )$ and $\backslash ($ B $\backslash )$

Req D

Req E to H

Req I

Req J

a$.$ Calculate return on investment, based on net income and average total assets, for $2023$ and $2022.$

Note: Do not round intermediate calculations. Round your percentage answers to $1$ decimal place $($i$.$e$.,0\mathrm{.}123$ should be entered as $12\mathrm{.}3.$

b$.$ Calculate return on equity for $2023$ and $2022.$

Note: Round your percentage answers to $1$ decimal place $($i$.$e$.,0\mathrm{.}123$ should be entered as $12\mathrm{.}3.$ Complete this question by entering your answers in the tabs below.

Calculate working capital and the current ratio for each of the past three years.

Note: Enter your answers in millions $($i$.$e$.,5,000,000$ should be entered as $5).$ Round "Current ratio" to $1$ decimal place. Complete this question by entering your answers in the tabs below.

Req $\backslash ($ A $\backslash )$ and $\backslash ($ B $\backslash )$

Req C

Req D

Req E to H

Req J

Calculate earnings per share for $2023$ and $2022.$

Note: Round your answers to $2$ decimal places.