Answer:
$3,937.5 favorable
Step-by-step explanation:
Labour efficiency variance is the difference between the actual time taken to achieve a given production output less the standard hours allowed for same multiplied by the standard labour rate
Labour efficiency variance is determined as follows:
Hours
2,200 units should have taken (2,200 × 2.1 hrs) 4620
but did take 4,445
Efficiency variance ( in hours ) 175 favorable .
× standard labour rate × $22.5
Labour efficiency variance ($) $3,937.5 favorable