Question #233747
A bank pays 10% nominal annual interest on special three-year certificates. What is the effective annual interest rate if interest is compounded
a. Every three months?
b. Daily?
c. Continuously?
1
Expert's answer
2021-09-15T02:15:14-0400

a. Every three months

r=(1+0.104)41r=(1.025)41r=0.1038r=10.38%r=(1+\frac{0.10}{4})^4-1\\ r=(1.025)^4-1\\ r=0.1038\\ r=10.38\%


b. Daily

r=(1+0.10365)3651r=(1.0757)3651r=0.0757r=7.57%r=(1+\frac{0.10}{365})^{365}-1\\ r=(1.0757)^{365}-1\\ r=0.0757\\ r=7.57\%


c. Continuously

r=e0.101r=1.10511r=0.1501r=1.501%r=e^{0.10}-1\\ r=1.1051-1\\ r=0.1501\\ r=1.501\%



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