83. Which of the following statements is incorrect with respect to the power of the President?
a. Congress may authorize the President to fix within specified limits tariff rates, import and export quotas, tonnage and wharfage dues, and other duties or imposts within the framework of the national development program of the government
b. The President can veto any particular item in a revenue or tariff bill, but the veto shall not affect the items or items to which he does not object
c. The power of taxation can be delegated to the President of the Philippines
d. The President of the Philippines is empowered to grant tax exemption on certain class of
taxpayers