MUSKEGON -- Michigan's poor are having an increasingly hard time making ends meet, according to a recently completed study, and numerous social service organizations throughout the state. According to the 2003 Market Basket Survey (which measures the buying power of the poor), cash assistance and food stamps, which make up all the poor receive, covers only 5 percent of the income needed to pay for food, clothing and housing. One year ago, Public Assistance provided 60 percent. "That's a very .