A street vendor constructs the table below on the basis of sales data. Construct a model for consumer expenditure (revenue for the vendor) . Sales of Roses, Given the Price per Dozen 
Definitions:
Purchasing Agent
A professional responsible for acquiring goods or services for their employer through negotiating price and terms.
Delivery Driver
An individual responsible for transporting goods from one place to another.
Mechanic
A professional skilled in the repair and maintenance of machinery, vehicles, or other technical equipment.
Janitor
A person employed to clean and maintain a building, such as an office, a school, or a residential complex.
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