Item February March Sales in Units January 14,000 units $2,940,000 15,000 units $3,150,000 Cost of Goods Sold $367,000 Maintenance Expense Advertising Expense Depreciation Expense $390,000 $40,000 16,000 units $3,360,000 $413,000 $40,000 $11,000 $40,000 $11,000 $11.000 11. Using the high-low method, what is the amount of variable expense per unit for the mixed expense? $23.00 per unit $210.00 per unit O $233.00 per unit O $236.21 per unit None of the above 12. What is the amount of total variable expense element of the mixed expense at the high activity level? * $368,000 O $413,000 O $3,728,000 $3,773,000 O None of the above