Wildhorse Company has gathered the following information:

During the year, $3,040$ units were produced, $10,900$ hours were worked, and the actual manufacturing overhead was $$21,100.$ Actual

fixed overhead totalled $$10,140.$

Wildhorse 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$.15\mathrm{.}25.)$

Fixed predetermined ovehead rate

$

per DL hour

Variable predetermined ovehead rate

$

per DL hour

Total predetermined ovehead rate

$

per DL hour