Based on the information given the annual payment will be $51,476.86.
Using this formula
Annual payment=[Principal×(1+Discount rate)]×Discount rate
Let plug in the formula
Annual payment = [$400,000×(1+0.07)^9]×0.07
[$400,000×(1.07)^9]×7%
Annual payment= $735,383.68×0.07
Annual payment= $51,476.86
Inconclusion the annual payment will be $51,476.86.
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