Given the following information about a hypothesis test of the difference between two means based on independent random samples,which one of the following is the correct rejection region at a significance level of .05? 
Definitions:
Effective Interest Method
A method of calculating the amortized cost of a bond and of allocating interest income over the bond's life, reflecting the constant rate of interest over the period.
Bond Discounts
The divergence between the stated value of a bond and its decreased sale price.
Bond Premiums
The amount by which the market price of a bond exceeds its face value, often due to interest rates falling after the bond issuance.
Bond Indenture
A legal contract outlining the terms and conditions under which a bond is issued, including the interest rate and maturity date.
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