Which of the following statements is true? I. Comparing a strategic planning budget to actual costs is not a good way to assess whether variable costs are under control. II. The main difference between a flexible budget and a static budget is that the static budget is not adjusted for changes in the level of activity. Which of the following statements is true? I. Comparing a strategic planning budget to actual costs is not a good way to assess whether variable costs are under control. II. The main difference between a flexible budget and a static budget is that the static budget is not adjusted for changes in the level of activity. Both statements are true. Only statement II is true. Neither statement is true. Only statement I is true