Use the Following Information to Answer the Next Two Questions

Use the following information to answer the next two questions. The Smoke n' Mirrors hotel housekeeping department has established a room cleaning standard of 30 minutes to clean a room by casual staff paid $15 per hour. In April the housekeeping casual staff were paid $20,385 and worked 1,350 hours to clean 3,000 rooms.
-What is the labour efficiency variance for the casual housekeeping staff at the Smoke n' Mirrors hotel in April?

A) $1,950 favourable variance.
B) $2,050 favourable variance.
C) $2,150 favourable variance.
D) $2,250 favourable variance.
E) None of the above.