The standard costs and actual costs for direct materials for the manufacture of 2,100 actual units of product are as follows: Standard Costs Direct materials 1,040 kilograms at $8.77 Actual Costs Direct materials 2,100 kilograms at $8.35 The direct materials price variance is

a. $437 unfavorable b. $437 favorable c. $882 favorable d. $882 unfavorable