For each of the following independent cases, fill in the missing amounts in the table: (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable.) Case Direct Labor Rate Variance $ B $ 1,750 U 1,000 F 2,000 F Direct Labor Direct Labor Efficiency Variance Spending Variance $ 3,200 F $ 1.500 U $ 3,800 F $ 1,500 U $ 4,500 U $ 2,100 F $ 2,950 U $ 2,150 U $ D E F $ 1,650 U