a food service expert for more than 5 years, Another typical example is estimating how much it costs to prepare food for the week. Based off sales trend from the previous week and slightly decrease the budget if sales was low or sky rocket the purchase if sales soared higher, because we still have butterflies in our tummies ready to burst forth another week of great sales only to be disappointed for the most part. For most typical Ghanaian food businesses , purchases are made for the week without looking at the gross profit margin a meal provides. Let us take a look at what a typical trend looks like with backing examples .