Dorothy's pastries are freshly baked and sold at several specialty shops throughout Perth. When they are a day old, they must be sold at reduced prices. Daily demand is distributed as follows.

Demand	Probability
40	0.30
140	0.40
180	0.30

Each pastry sells for $1.20 and costs $0.60 to make. Each one not sold at the end of the day can be sold the next day for $0.30 as day-old merchandise.

Part 2

How many pastries should be baked each day?

enter your response here

_____ pastries. (Enter your response as an integer.)