Calculate the current ratio for Tech Supplies for its fiscal year ended February $1,2020.$

$1-$b$.$ Calculate the acid$-$test ratio for Tech Supplies for its fiscal year ended February $1,2020.$

$1-$c$.$ Calculate the debt to equity ratio for Tech Supplies for its fiscal year ended February $1,2020.$

$1-$d$.$ Calculate the times interest earned ratio for Tech Supplies for its fiscal year ended February $1,2020.$

Note: For all requirements, round your answers to $2$ decimal places.