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.) Direct Labor Rate Variance Direct Labor Efficiency Variance Spending Variance Direct Labor Case 1,400 U$ 1,350 F 1,650 F 2,500 F 2,200 U 3,100 F 3,800 U 2,600 U 1,150S 1,750F$ 1,800 U 1,300 U$