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.