Ekhoim Corporotion is a shipping container refurbishment company that measures its output by the number of containers refurbished. The compan has provided the following fixed and variable cost estimates that it uses for budgeting purposes. When the company prepared its planning budget at the beginning of December, it assumed that 30 containers would have been refurbished. - However, 35 containers were actually refurbished during December. he activity variance for "Employee salaries and wages" for December would have been closest to: Multiple Choice $5,000F $4,000U $4,000F $5,000U