Using the High-Low method, a company analyzes electricity costs. At 5,000 machine hours, cost is PKR 150,000. At 8,000 machine hours, cost is PKR 210,000. What is the variable cost per machine hour?
- APKR 30 per hour
- BPKR 26.25 per hour
- CPKR 20 per hour
- DPKR 25 per hour