The table below shows information from a street-food business after it introduced contactless card readers at two market stalls. The owner wants to assess t...
Question 1 Report
The table below shows information from a street-food business after it introduced contactless card readers at two market stalls. The owner wants to assess the effect of this technology on sales and costs.
| Measure | Before card readers | After card readers |
|---|---|---|
| Average customers per day | 86 | 103 |
| Average sales per day | $688 | $875 |
| Card payment charges per day | $0 | $21 |
(a) Identify the change in average daily sales. [1]
(b) Explain one reason why sales may have increased after the card readers were introduced. [2]
Answer Details
(a) Calculate the change by subtracting sales before the card readers from sales after them:
\[\$875-\$688=\$187\]
Average daily sales increased by $187. [1]
(b) Card readers allow customers to pay by card, so they do not need to carry cash. This makes purchasing easier for customers, meaning more customers may decide to buy food. The data are consistent with this explanation because average customer numbers rose from 86 to 103 per day. [2]
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