Data table 8. Fill in the missing numbers in the performance report. Be sure to indicate whether variances are favorable (F) or unfavorable (U). (Enter is 0 , make sure to enter in a "0". A variance of zero is considered favorable.) 1. How many pools did Water Land originally think it would install in April? 2. How many pools did Water Land actually install in April? 3. How many pools is the flexible budget based on? Why? 4. What was the budgeted sales price per pool? 5. What was the budgeted variable cost per pool? 6. Define the flexible budget variance. What causes it? 7. Define the volume variance. What causes it? 8. Fill in the missing numbers in the performance report