The assignment is not only the calculations and numbers, you should also explain your choice of option to get the full marks in the assignment.

Daily sales of bread by Arizona Baking Company follow the historical pattern shown in the table below. It costs the bakery 50 cents to produce a loaf of bread, which sells for 95 cents. Any bread unsold at the end of the day is sold to the parish jail for 25 cents per loaf. The daily demand for the bread is

Demand 400 500 600 700 800 Probability 20 .20 40 15 05