(a) whether domestic cement manufacturers have formed cartels to bring up the
prices artificially as reported by the Monopolies and Restrictive Trade Practices
Commission (MRTPC);
(b) if so, whether MRTPC has ordered the manufacturers to stop rigging the
prices of cement;
(c) if so, whether compliance reports have been submitted to the MRTPC by the
cement manufacturers;
(d) if so, the details thereof; and
(e) the action taken in this matter?