*I'm struggling to be able to figure this problem out below*

Weissfeld Corporation manufactures a single product. The direct materials standard calls for 5 pounds of direct material per unit. The standard for direct material cost per pound is $10. A computer error has wiped out the records for the direct labor standards but the following info is found for the month of october:

Number of units produced 825

Cost of actual direct materials purchased and used $38,400

Actual direct labor hours used 1,525

Actual direct labor cost incurred $20,587

Materials price variance-favorable $1,200

Labor efficiency variance-unfavorable $325

Total labor variance-unfavorable $1,087.50

A) calculate the number of pounds of direct materials purchased and used during October.

B.) Calculate the materials quantity variance

C.) Calculate the standard direct labor rate per hour

D.) Calculate the standard direct labor hours allowed for October's production

*Please help me I've been trying all day to figure this out