Preheat oven to 350. Melt ½ cup margarine in 9x13 pan in oven. Sprinkle over top: 1 ½ cups graham wafer crumbs 200 gm pkg flaked coconut 1 can sweetened condensed milk Bake 25 min or until lightly browned. In small pan melt: 350 gm pkg chocolate chips ½ cup peanut butter Spread over hot bars. Cool 30 min. Chill & cut into bars.