Elinore is asked to invest $5,500 in a friend's business with the promise that the friend will repay $6,050 in one year's time. Elinore finds her best alternative to this investment, with similar risk, is one that will pay her $5,940 in one year's time. U.S. securities of similar term offer a rate of return of 6%. What is the opportunity cost of capital in this case?