LeeAnn's Chocolate Chip Cookies

1 c. margarine
3/4 c. sugar
3/4 c. brown sugar
1 egg
2 1/4 c. flour
1 t. baking soda
1/2 t. salt
1/2 bag chocolate chips

Mix and bake at 375 for 8-10 minutes.  Makes @ 2 dozen.