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

Incorporated:

Required:

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

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

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

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

Q$-$e$.$ If Wiper's stock had a price$/$earnings ratio of $14$ at the end of $2023,$ what was the market price of the stock?

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

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

Q$-$h$.$ Calculate the number of days' sales in receivables at that date. $($Assume that accounts receivable at December $31,2023,$ totaled $$310$ million.$)$

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

Q$-$j$.$ Calculate the times interest earned ratio for $2023$ and $2022.$