Selected current year$-$end financial statements of Cabot Corporation follow. $($All sales were on credit; Compute the following:

$(1)$ current ratio,

$(2)$ acid$-$test ratio,

$(3)$ days' sales uncollected,

$(4)$ inventory turnover,

$(5)$ days' sales in inventory,

$(6)$ debt$-$to$-$equity ratio,

$(7)$ times interest earned,

$(8)$ profit margin ratio,

$(9)$ total asset turnover,

$(10)$ return on total assets, and

$(11)$ return on equity.

selected balance sheet amounts at December $31$ of the prior year were inventory, $$53,900$; total assets,

$$179,400$; common stock, $$80,000$; and retained earnings, $$40,536.)$