Price of my time per minute: £0.15
Reward for filling out Cambridge Cycle Challenge survey: Entry in drawing for £40 gift card to Marks & Spencer
Time to fill out survey: 4 minutes
Number of challenge participants: 2422
Maximum number of survey respondents to make it not a waste of time: 67 (2.8%)
- Due to the amount of shopping we do at Marks & Spencer, this is functionally equivalent to £40 cash.