Edgar has taken out a $6,250 unsubsidized Stafford loan to fund his four-year undergraduate degree. The loan has a duration of 10 years and an interest rate of 6. 1%, compounded monthly. How much interest capitalization will have accrued by the time Edgar graduates? Round all dollar values to the nearest cent. A. $1,670. 30 b. $1,722. 22 c. $664. 35 d. $1,524. 96.