Mercurial Company has made the following information available for its production facility for the current month. Fixed overhead was estimated at 22,000 machine hours for the production cycle. Actual machine hours for the period were 22,500; 4,200 units were produced.

Material purchased (107,000 pieces) P529,650

Material quantity variance P7,000 U

Machine hours used (22,500 hours)

VOH spending variance P100 U

Actual fixed overhead P81,000

Actual labor cost P60,300

Actual labor hours 8,500

Mercurial Companys standard costs are as follows:

Direct material 25 pieces @ P5 per piece

Direct labor 2.0 hours @ P7 per hour

Variable overhead (applied on a machine hour basis) 5.2 hours @ P3.00 per hour

Fixed overhead (applied on a machine hour basis) 5.2 hours @ P3.50 per hour

Determine the following items:

e. labor rate variance

f. standard hours allowed for labor

g. total standard cost of labor allowed

h. labor efficiency variance