Given below is a portion of Vaughn, Inc's management performance report: Budget Actual Difference Contribution margin $1039500 $1019600 $19900 Controllable fixed costs 430600 419700 10900 Which statement is true about the manager's overall performance? The manager's overall performance cannot be determined from information given. The manager's performance is above expectations. The manager's performance is below expectations. The manager was under budget on all controllable and uncontrollable amounts