In order to compare and evaluate choices, there must be a sepreston has to make four phone calls to clients today. the call to mr. miller will take about an hour to complete, the call to ms. winnecuit will take about five minutes to complete, the call to mr. drudge will take about thirty minutes and the call to mrs. french will take about fifteen minutes to complete. if all the calls are equally important, who should preston call last?

a. mr. miller (1 hour)
b. ms. winnecuit (5 minutes)
c. mr. drudge (30 minutes)
d. mrs. french (15 minutes)