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.$1,670.30b.$1,722.22c.$664.35d.$1,524.96