The jobs listed below need to be completed.Assume that it is now day 140.If the jobs are sequenced according to the shortest processing time rule,what is the average completion time? 
Definitions:
Skill Development
The process of identifying, cultivating, and enhancing abilities, knowledge, and competencies in order to improve personal or workforce performance.
Productivity
The measure of efficiency in converting inputs into outputs, often gauged by the quantity of goods and services produced per unit of input.
Labor Productivity
A measure of economic performance calculated by dividing the total output by the number of hours worked.
Profit-Maximization
A company's goal to achieve the highest possible profit, where marginal revenue equals marginal cost.
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