Exhibit 5-3
Roth is a computer-consulting firm. The number of new clients that they have obtained each month has ranged from 0 to 6. The number of new clients has the probability distribution that is shown below. 
-Refer to Exhibit 5-3. The standard deviation is
Definitions:
Sales Commissions
Payments made to salespersons or employees based on the amount of sales generated.
Monthly Sales
The total revenue a business generates from selling its goods or services within a specific month.
Net Operating Income
Earnings before interest and taxes (EBIT); a measure of a company's profitability from its regular, core operations.
Unit Variable Cost
The variable cost associated with producing one additional unit of product.
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