5. Manish is working as a salesman in a company on salary basis. The following payments were made to him by the company during the previous financial year - (i) overtime allowance, (ii) dearness allowance (iii) commission on sales (iv) employer's contribution towards pension fund (v) value of food. Examine as to which of the above payments form part of "salary" of Manish under the provisions of the Payment of Bonus Act, 1965