Dudley's Automotive Installs Mufflers in Cars

Dudley's Automotive installs mufflers in cars.Each muffler has a standard for installation time of 0.25 direct labour hours.The standard direct labour hour rate is $12.50 per hour.Data relating to muffler installations for the month of July follow:

What is the labour price (rate) variance for July?

A) $2,730 favourable
B) $650 favourable
C) $2,730 unfavourable
D) $650 unfavourable