please help with the incorrect answers

Required information Chapter 09: Applying Excel [LO9-4, LO9-5, LO9-6] The Chapter 9 Form worksheet is to be used to create your own worksheet version of the main example in the text. Chapter 09: Applying Excel: Exercise (Part 2 of 2) Requirement 2: Revise the data in your worksheet to reflect the results for the subsequent period as shown below: a-1. What is the materials quantity variance? (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance)). Answer is complete but not entirely correct. a-2. What is the materials price variance? (Indicate the effect of each variance by selecting " F " for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance)). Answer is complete but not entirely correct. b-1. What is the labor efficiency variance? (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance)). A Answer is complete but not entirely correct. b-2. What is the labor rate variance? (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 final answer to nearest whole dollar amount.) Q Answer is complete but not entirely correct