Ipsos polled 1,004 adults asking them, "If purchasing a used car made certain upgrades or features more affordable, what would be your preferred luxury upgrade?" The summarized results show that 9% of males and 14% of females answered window tinting.

The poll description did not state the sample sizes of males and females. Suppose that both sample sizes were 502 and that 46 of 502 males and 71 of 502 females reported window tinting as their preferred luxury upgrade of choice.
a. Create a side-by-side chart and a doughnut chart of preferred luxury upgrade and gender.
b. What do the chart results tell you about luxury upgrade differences between males and females?