You are assessing what your client Paulo's income needs will be at retirement and you are calculating the benefit that he will receive from the Old Age Security (OAS). Paulo will earn net income of $78,000.00. If the current threshold for the OAS is $71,592.00 and the claw-back is 15%, what would Paulo's repayment be?
a) $961.20
b) $6,408.00
c) $28,408.20
d) $71,592.00