a$)$ Compute Best Buy's current ratio and quick ratios for $2011$ and $2010.($Round your answers to two decimal places.$)$

$2011$ current ratio $=$ Answer $1$

$2010$ current ratio $=$Answer $2$

$2011$ quick ratio $=$Answer $3$

$2010$ quick ratio $=$Answer $4$

$($b$)$ Compute Best Buy's times interest earned and its liabilities$-$to$-$equity ratios for $2011$ and $2010.($Round answers to two decimal places.$)$ HINT: Include equity income of affiliates$$in your times interest earned calculations.

$2011$ times interest earned $=$ Answer $5$

$2010$ times interest earned $=$Answer $6$

$2011$ liabilities$-$to$-$equity $=$Answer $7$

$2010$ liabilities$-$to$-$equity $=$Answer $8$