DE24-4 Look at Kool-Time Pools' graph of actual and budgeted monthly costs in Exhibit 24-5 on page 976. 1. How many pools did Kool-Time install in May? 2. How much were Kool-Time's actual expenses in May? 3. Using Kool-Time's flexible budget formula, what is the flexible budget total cost for the month of May? 4. What is Kool-Time's flexible budget variance for total costs? Is the variance lavorable or unfavorable in May?