q1. As activity changes, total variable cost increases or decreases proportionately with the activity change, but unit variable cost remains the same. true or flase

q2, Another term for product cost is cost of goods sold. true or flase

q3. Manufacturing costs are classified into four categories. true or false

q4. As activity changes, total variable cost increases or decreases proportionately with the activity change, but unit variable cost remains the same. true or false