The bar graph shows the z-score results of four employees for two different work weeks.
Which employee had the least earnings for Week 1?
A. Michael
B. Oberto
C. Usan
D. Percy
![The bar graph shows the zscore results of four employees for two different work weeks Which employee had the least earnings for Week 1 A Michael B Oberto C Usan class=](https://us-static.z-dn.net/files/d12/861170c809f8820b76ac09ec756732c2.png)