SWER ANY TWO QUESTIONS AT 3 MARK EACH. (23=6 Marks ) 13. Mr Ali earns $55000 as a normal employee, and he is liable to pay 15% of tax out of his salary. a. If the tax rate increase to 20%, then what will be the additional tax revenue to the Governmen?? b. If the salary of Mr Ali revised to $65000, then what will be the additional tax revenue to the Government? alculate tax revenue using static and income effect