The table below shows the present value of beds for a city hospital,at different interest rates.For either interest rate,notice that the present value of each additional bed is less than the present value of the previous bed.What most likely accounts for this fact? 
Definitions:
Flexible Spending Account
A pre-tax benefit account used by employees to pay for eligible healthcare expenses, reducing their taxable income.
Managed Care
A healthcare delivery system aimed at managing cost, quality, and utilization of services by contracting with specific providers and implementing guidelines for treatment.
IRS Requirements
The legal and regulatory stipulations established by the Internal Revenue Service that individuals and organizations must follow.
Defined-Benefit Plan
A type of pension plan in which an employer promises a specified pension payment upon retirement, determined by a formula considering factors like salary and duration of employment.
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