need help with the following problems! please help thank you!

Assume the following information for one of a company's variable expenses: The amount of the expense in the planning budget is $9,000. The cost formula is $9.00 per hour. The actual level of activity is 900 hours. The spending variance is $160 unfavorable. The actual amount of the expense must be: Multiple Choice O $8,260 $8,100. $8,760 $8.460. Assume the following information for one of a company's variable expenses: The activity variance is $900 favorable. The cost formula is $9.00 per hour. The planned level of activity is 1,000 hours. The spending variance is $200 unfavorable. The actual amount of the expense must be: Multiple Choice $8,100. O $8,300. $8,800 $8,500 Assume the following information for one of a company's variable expenses: The activity variance is $900 favorable. The actual amount of the expense is $8,300. The planned level of activity is 1,000 hours. The spending variance is $200 unfavorable. . . The actual level of activity (in hours) must be: Multiple Choice 850 hours 950 hours. 0 1100 hours 900 hours Assume the following information for one of a company's variable expenses: The activity variance is $900 favorable. The actual amount of the expense is $8,300. The actual level of activity is 900 hours. The spending variance is $200 unfavorable. The planned level of activity (in hours) must be: Multiple Choice 1,000 hours 950 hours 1,100 hours. 1,050 hours