Andre earns $$70,000$ per year and there is no RPP at his company.$($a$)$How much can his company contribute to a DPSP on his behalf if the money purchase limit is $$24,270?$

$($b$)$ How much can he contribute to this DPSP$?$

$($c$)$If his employer contributes the maximum possible to his DPSP$,$ how much can he contribute to his RRSP next year if he has no other RPP$?$