Calculate the expected payoff for the following cases,where q1 and q2 are the probabilities of state 1 and 2,respectively. 
Definitions:
Weight Allocation
Weight allocation refers to the method of assigning proportions of a total, such as costs or resources, based on the relative weight or importance of various components or activities.
Physical Units Method
An inventory costing method that allocates costs based on the actual physical units of goods available for sale or use.
By-Product
A secondary product derived from the manufacturing process or chemical reaction that is incidental to the main product.
Joint Products
Products that are produced together from the same process or raw materials but are sold as separate items.
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