Asubmarine sandwich shop surveyed a group of 20 prospective customers, asking them the maximum amount they would be willing to pay for the shop's new footlong teriyaki chicken sandwich. the results are shown in the pie chart below. the number of respondents for each answer choice is shown next to the corresponding piece of the pie. what percentage of the prospective customers surveyed would be willing to pay a maximum of $5.01 to $6?