Use the following data to answer the next THREE questions: Units Produced and Sold 1. Payroll Expense Per Unit 2. Total Security Expense 3. Quality Inspection Expense Per Unit 75 $180 $2,420 300 $45 $3,800 500 $27 $5,000 $15 $15 $15 1. Based on the cost behavior observed in the above table, what type of cost is TOTAL Payroll Expense? Fixed Cost Variable Cost Mixed Cost Can't be determined 2. Based on the cost behavior observed in the above table, what type of cost is the TOTAL Security Expense? Fixed Cost Variable Cost Mixed Cost Can't be determined 3. Based on the cost behavior observed in the above table, what type of cost is the TOTAL Quality Inspection Expense? Fixed Cost Variable Cost Mixed Cost Can't be determined