Classify the following as fixed cost and variable cost :
(i) Salary to manager of the company.
(ii) Wages to casual labour.
(iii) Payment of insurance premium for insurance of factory.
(iv) Payment for raw material.
(v) Payment of rent of Postpaid connection of Mobile Phone.
(vi) Interest on lone taken from ICICl.
(vii) Electicity charges beyond the minimum rent.
(viii) Payment of rent of the factory builing to the landlord.
(ix) Commission to production manager on the basis of number of units produced.
(x) Payment of fuel used in machines.