Which of the following statements about GST are incorrect? i. The first purchaser bears the cost of the GST ii. GST is not a tax on business income iii. GST may be paid on taxable supplies at each stage of the commercial chain iv. GST is a value-added tax v. A supplier can obtain an input tax credit for input taxed supplies but not GST-free supplies a. i, ii, iii b. ii, iii, iv c. ii, iv, v d. ii, iv e. i, v