please help with 27 and 28

27.The amount remaining after subtracting pay period exemption from GPTI is a. Taxable income (1) b. Insurable income c. Contributory earning d. CPP contribution 28.An employee is being paid a bonus of $2,000.00 along with her regular monthly pay of $3,980.00. She also has a monthly non-cash taxable benefit of $20.00. Calculate CPP and El