Resset Company had the following results for April's operations: F indicates favorable and U indicates unfavorable. In applying management by exception, the company investigates all variances of $400 or more. Which variances will company investigate? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.)