Elinore is abked to irwest $4,900 in a friend's business wat the proenise thel the triend will repay $9,390 in one year's time. Elinore thds her best alternative to this investrient, with smiar risk, is one that with pay her 55,292 in one year's time. 0.8. securaties of similar term offer a rise of retum of 6%. What is the opportunity cost of capitar in this case? A. 10% B. 6% c. 96 D. 8%