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, and "None" for no effect (1.e., zero varlance). Case Direct Labor Rate Variance s 1,000 U S 1,750 F Direct Labor Efficiency Direct Labor Spending Variance Variance S 1,700 F $ 3,000 U A S B S 1.250 F $ 2,300F D S 750 U $ 3,000 U E GO 1.350 F $ 2.200U Ti F 5 900 U S 1.400 U