The Minister of Works and Housing, Kojo Oppong Nkrumah, has challenged the Flagbearer of the National Democratic Congress (NDC), John Mahama, to put out his alternative plan to reduce the current high cost of living in Ghana.  According to him, Mr. Mahama cannot continue to keep quiet over what policies and programmes he'll roll out to make Ghanaians a bit relieved from the current harsh economic crises.  Speaking on State of Affairs on GHOne TV, monitored by GhanaWeb, Kojo Oppong Nkrumah, who is the Vice Chairman of the NPP Manifesto Committee, urged John Mahama to be bold and let Ghanaians know his plans for them as he goes around campaigning to become president.  "On cost of living and energy prices. Dr. Bawumia has put out an alternative plan. He says I am going to do 200 MW of solar power to bring down the cost of energy.