I keep getting the wrong answer whenever I try to do these two questions. Please help!! Thank you!

31) Krizun Industries makes heavy construction equipment. The standard for a particular crane calls for 20 direct labor-hours at $24 per direct labor-hour. During a recent period 875 cranes were made. The labor efficiency variance was $1,200 Unfavorable. How many actual direct labor-hours were worked? A) 17,600 direct labor-hoursB 17,500 direct labor-hours 17,550 direct labor-hours D) 17,450 direet labor-houns 32) The following information relates to the direct labor at Padmaja Manufacturing. Inc.for March: Labor cost per unit produced Labor hours per unit produced Actual Standard S 18.00 17.50 1.4 1.5 During March, Padmaja produced 2,100 units. What is Padmaja's labor efficiency variance for March? A) S3,675 Unfavorable B) S3,780 Unfavorable C) $1,375 Favorable D) $2.625 Unfavorable