For each of the following independent cases, fill in the missing amounts: (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Round your per unit rates to 2 decimal places.) Kevin, Inc. Valerie, Inc. Casey Co. 1,900 2.90 Jess Company 115 500 1.00 1,000 2 76 10.00 $ $ $ Units produced Standard hours per unit Standard hours Standard rate per hour Actual hours worked Actual labor cost Direct labor rate variance Direct labor efficiency variance 13.30 4,800 1,130 4 5,700 20,000 $ $ $ 1,800 30 U $ 1,900 F $ $ 1,000 F 1,755 U $ 6,700 U