Section 2:

part a:	2 marks
	1 mark for Input, 1 mark for Output
part b:	2 marks
part c:	2 marks
part d:	4 marks
	1 mark for mentioning the value of A[i] for i < 0, 1 mark
for mentioning the value of A[i] for i = 0 and 2 marks for the rest.
part e:	4 marks
part f:	1 mark
part g:	1 mark
part h:	2 marks
	1 mark for mentioning some notion of "Not Buyable", 1 mark 
acurately calculating the number of packages.