Nico is a medical representative engaged in the promotion of pharmaceutical products and medical devices for Northern Pharmaceuticals, Inc. He regularly visits physicians' clinics to inform them of the chemical composition and benefits of his employer's products. At the end of every day, he receives a basic wage of PhP700.00 plus a PhP150.00 "productivity allowance." For purposes of computing Nico's 13th month pay, should the daily "productivity allowance" be included? (3%)