Course: Financial Mathematics A capitalist places a sum of $12,500 at 4% per annum and 3.5 months later, another sum of $28,500 at 4.75%. After how much time will two (2) sums placed have yielded equal interest, and how much would first sum have yielded at twice the time, and how much would first sum placed at twice the time and with a discount of 0.5% in rate have yielded? Answers: 5.6 months (aprox.) of time and $408.33 yields the first sum.

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