A company must perform a maintenance project consisting of seven activities.The activities, their predecessors, and their respective time estimates are presented here: 
Using CPM, which activities have slack in this project?
Definitions:
Price
The amount of money expected, required, or given in exchange for something.
Peanut Farmers
Individuals or entities engaged in the cultivation and production of peanuts as a crop.
Total Revenue
The total income generated by a firm from selling its goods or services, calculated by multiplying the selling price per unit by the number of units sold.
Bushel
A measure of volume that is used in the United States for agricultural crops, equivalent to approximately 35.24 liters.
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