An additional deduction from taxable income of one-half (1/2) of the value of labor training expenses incurred for developing the productivity and efficiency of apprentices shall be granted to the person or enterprise organizing an apprenticeship program: Provided, That such program is duly recognized by the Department of Labor and Employment: Provided, further, That such deduction shall not exceed ten (10%) percent of direct labor wage; and Provided, finally, That the person or enterprise who wishes to avail himself or itself of this incentive should pay his apprentices the minimum wage.