What in fact drives human behaviour, according to BenthamWhat two kinds of entity are fit for evaluation by the principle of utility

1 What in fact drives human behaviour, according to Bentham
(see 1.1)? What ought to drive human behaviour (hinted at in 1.1,
confirmed in later paragraphs)?
2 What two kinds of entity are fit for evaluation by the principle of utility
(see end of 1.2)?
3 What argument does Bentham offer in favour of the principle of utility
in 1.11?
4 In your own words, what six aspects of a pleasure (or a pain) must
we look to if we wish to ascertain its value to a single individual
(4.23)?
5 What further aspect must we add if we wish to assess the total value
of a pleasure or pain (4.4)?