Write the sum with summation notation. Do not calculate the sum. 
Definitions:
Long-Term Remedial Actions
Strategies or measures taken to correct or solve a problem, issue, or situation over an extended period.
Installment Contract
An agreement where payment is made in parts or installments over a specified period, commonly used in the sale of goods and real estate.
Sales Finance Company
A company that provides financing to customers to purchase goods, often through loans or leases.
Equity Investors
Individuals or entities that invest money into a business in exchange for ownership shares, participating in its profits and losses.
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