Which statement about flat rates is correct?
a) Users prefer flat rates because they don't have to fear unpleasant surprises in the form of high bills.
b) Flat rates make sense for providers if they have high variable and low fixed costs
c) Overestimation effect: Customers choose a flat rate because they overestimate their actual usage intensity.
d) For providers, flat rates make sense if, for example, they operate an infrastructure that mainly generates costs for depreciation
e) Mobile operators have a benefit from flat rates because the investment in infrastructure is high. On the other hand, the running costs are largely independent of the level of usage
Only statements a), d), e) are correct
Only statements a), c), d) are correct
All statements are correct
Only statements a), b), d), e) are correct
Only statements a), c), d), e) are correct