Below is a frequency table showing the results of a recent customer survey. Fifty customers were asked, “How many times do you make a trip to the store each week to shop for groceries?” 

No. of shopping trips x         No. of customers f(x)

0………………………………………            6

1………………………………………          23

2………………………………………          11

3………………………………………           9

4………………………………………           1

Show the “less than or equal to” cumulative frequency table that would be appropriate here, together with the corresponding cumulative frequency bar chart.