Example-4: Student tuition at North South University is semester credit hour. The government $100 per supplements school revenue by matching student tuition dollar for dollar. Average class size for a typical three- credit course is 50 students. Labor costs are $ 4,000 per class, material costs are $20 per student per class, and overhead costs are $25,000 per class. (i) What is the multifactor productivity ratio for this course process? (ii) If instructors work an average of 14 hours per week for 16 weeks for each three-credit class of 50 students, what is the labor productivity?