You are invited to a family dinner, you decide to make cupcakes for desert for everyone including yourself. while calculating the number of cupcakes you will need you tally up the guests, you know that around the dinner table there will be a grandmother, a grandfather, two fathers, two mothers, four children, three grand children, one brother, two sisters, two sons, two daughters, one father in-law, one mother in-law, and one daughter in-law. what then is the minimum number of cupcakes you will need to bring so that everybody gets at least one?