https://preparationpoint.info/solved-past-papers-mcqs/ppsc-past-papers/ppsc-past-papers-2018/model-paper-65-excise-taxation-inspector-bs-16-2018-region/mr-rehman-ordered-a-car-worth-rs-600000-and-was-given-a-discount-given-that-he-paid-rs-570000-for-a-new-car-calculate-the-percentage-discount-he-received/