1-4 please. Thank you.

Use the following information for questions 1-4: Use your knowledge about total cost and unit cost behavior to make the requested determinations. Identify the cost behavior category (fixed / mixed / variable) of each of the following costs, based on the information provided in table below. Please circle the category. Indicate how the cost behaves in total (remains constant / varies) and per unit (remains constant / varies). Please circle the behavior patterns. Please assume that Units Produced is the appropriate measure of activity for each of these costs. Units Produced 100 Materials Cost $3,000 Total Cost Electricity Cost Supervisor's Salary $1,200 $4,000 $1,300 $4,000 Maintenance Cost $2,500 150 $4,500 $3,500 1. Materials Cost is classified as a fixed / mixed / variable cost, because it remains constant / varies in total and remains constant / varies per unit with changes in the activity measure. 2. Electricity Cost is classified as a fixed / mixed / variable cost, because it remains constant / varies in total and remains constant / varies per unit with changes in the activity measure. 3. Supervisor's Salary is classified as a fixed / mixed/variable cost, because it remains constant / varies in total and remains constant / varies per unit with changes in the activity measure. 4. Maintenance Cost is classified as a fixed / mixed / variable cost, because it remains constant / varies in total and remains constant / varies per unit with changes in the activity measure