The exchange rate between non-fixed currencies continuously fluctuates. the table below shows the exchange rate of the us dollar to the euro over the course of six days. day $:€ monday 1:0.7102 tuesday 1:0.7053 wednesday 1:0.6869 thursday 1:0.6910 friday 1:0.7273 saturday 1:0.7544 if rodney traded €228.75 for $314.52, when did he make his exchange? a. saturday b. friday c. thursday d. tuesday