For each of the following independent cases, fill in the missing amounts in the table: Note: Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for n variance). Case Direct Labor Rate Variance Direct Labor Efficiency Direct Labor Spending Variance Variance A $ 900 U $ 1,500 F B $ 1,850 F $ 3,200 U C S 1,150 F $ 2,100 F D $ 650 U $ 2,800 U E $ 1,250 F $2,100 U F $ 800 U $ 1,300 U