(1) Whether the SA Social Security Agency has investigated the causes of the irregular expenditure of R28 million relating to Project Mikondzo that was incurred in the (a) 2013-14 and (b) 2014-15 financial years; if not, why not; if so, what was the outcome of the specified investigations; (2) whether any action was taken against any individuals responsible for causing the specified irregular expenditure; if not, why not; if so, what are the relevant details?