Hist of MU

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## Warning: package 'ggplot2' was built under R version 3.1.3

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Number of participants in each cost/benefit ratio condition

## 
## 1/1 1/2 1/3 1/4 1/5 1/6 1/7 1/8 1/9 2/1 3/1 4/1 5/1 6/1 7/1 8/1 9/1 
## 101 100  98  89  91  82 106  83  87  93  96  96  96 101  99 108  77

Donation distribution for different cost/benefit ratio