If the following jobs are sequenced according to the LPT rule, then the mean completion time (in days) for all jobs is (assume zero for today's date) 
Definitions:
Strict Product Liability
A doctrine in tort law that makes manufacturers, distributors, or sellers liable for any defects in the products they market, irrespective of negligence.
Manufacturer
An individual or company that makes goods for sale using raw materials and parts, typically in a large-scale operation involving machinery.
Seller
A seller or company presenting products or services for acquisition to buyers or other enterprises.
Mortgage Loan
A loan used to purchase property or real estate, which is then used as collateral for the loan.
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