Metlock Company has gathered the following information:

During the year, $3,490$ units were produced, $10,600$ hours were worked, and the actual manufacturing overhead was $$20,300.$ Actual

fixed overhead totalled $$9,430.$

Metlock applies overhead based on direct labour hours.

$($a$)$

Calculate the total, fixed, and variable predetermined overhead rates. $($Round calculations and final answer to $2$ decimal places, e$.$g$.$

$15\mathrm{.}25.)$