Approximate the area under the curve over the specified interval by using the indicated number of subintervals (or rectangles) and evaluating the function at the left-hand endpoints of the subintervals. Compute the approximate area using up to 4 decimal places as needed. 
from 
to 
subintervals.
Definitions:
Capital Structure
Refers to the way a company finances its assets through a combination of debt, equity, and other securities.
Debt
An amount of money borrowed by one party from another, often used by businesses and governments to finance operations and projects.
Equity
The worth of a stake in property ownership, such as the equity held by shareholders in a company.
Dealer Market
A financial market where dealers buy and sell securities for their own accounts, acting as principals in the transaction.
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