For both the current year and one year ago, compute the following ratios:Exercise $13-10($Algo$)$ Analyzing efficiency and profitability LO P$3$

The company's income statements for the current year and $1$ year ago, follow.

$\backslash$table$[[$For Year Ended December $31,$Curre,Year,$1$ Year Ago$],[$Sales$,,$$$673,895,,$$$531,787],[$Cost of goods sold,$$411,076,,$$$345,662,],[$Other operating expenses,$208,907,,134,542,],[$Interest expense,$11,456,,12,231,],[$Income tax expense,$8,761,,7,977,],[$Total costs and expenses,,$640,200,,500,412],[$Net income,,$$33,695,,$$$31,375],[$Earnings per share,,$$2\mathrm{.}07,,$$ $1\mathrm{.}93]]$

For both the Current Year and $1$ Year Ago, compute the following ratios:

$(1-$a$)$ Profit margin ratio.

$(1-$b$)$ Did profit margin improve or worsen in the Current Year versus $1$ Year Ago?

$(2)$ Total asset turnover.

$(3-$a$)$ Return on total assets.

$(3-$b$)$ Based on return on total assets, did Simon's operating efficiency improve or worsen in the Current Year versus $1$ Year Ago?