Best fender, which uses a standard cost system , Manufactured 20,000 boat fenders during 2024, using 145,000 ft. of extruded vinyl purchased at $1.15 per square foot. Production required 410 direct labor hours that cost $15.50 per hour. The direct materials standard was 7 ft. of vinyl per fender at a standard cost of $1.20 per square foot. The labor standard was 0.027 direct labor hour per fender, at a standard cost of $14.50 per hour. Compute the cost and efficiency variance is for direct materials and direct labor. Does the pattern of variances suggest best fenders managers have been making trade-offs? Explain