What single payment today would replace a payment stream of $50,000 that will be paid today, again at the end of year 1, and again at the end of year 2, if money earns 4% compounded semi-annually? Select one: a. $97,484.92 b. $85,865.39 c. $93,485.53 d. $94,384.98 e. $98,058.44