1. (a) The following table gives the number employed by each group of employees and the

average salary for the groups.

Group of Employees	2017		2018
	Average Salary ($000s)	No. Employed	Average Salary ($000s)	No. Employed
A	130	60	145	75
B	260	40	280	60
C	330	25	340	25
D	780	8	785	10

Calculate the weighted aggregate price index for year 2018 using year 2017 employment pattern (2017 as base year). Interpret the value. (4 marks)

2. Give your answers to 3 decimal places where necessary in this question.

1. Quarterly sales (in thousand dollars) of a handbag shop over 4 years are shown in the table. Find the missing values a, b, c, d, e, f, g, h and i (in thousand dollars). (4.5 mark)

2. x	Year	Quarter	Sales	4 Quarter-MA	Seasonal Difference
   1	2014	1	123	-	-
   2		2	384	-	-
   3		3	315	257.125	57.875
   4		4	126	292.000	-166.000
   5	2015	1	284	324.125	-40.125
   6		2	502	353.250	148.750
   7		3	454	378.875	75.125
   8		4	220	421.125	-201.125
   9	2016	1	395	477.500	-82.500
   10		2	729	522.500	206.500
   11		3	678	a	f
   12		4	356	b	g
   13	2017	1	549	c	h
   14		2	801	d	i
   15		3	760	e
   16		4	534