Splish Company's standard labour cost of producing one unit of product DD is $4$ hours at the rate of $$12\mathrm{.}30$ per hour. During August,

$44,280$ hours of labour are incurred at a cost of $$12\mathrm{.}55$ per hour to produce $10,800$ units of product DD$.$

$($a$)$

Calculate the total labour variance.

Total labour variance