The table below shows the prices, price relatives, and quantity sold of three models of a factory.
Product 
Price 
Price relative (2002 = 100) 
Quantity sold in 2002 

2002 
2003 

A 
2 
P 
125 
150 
B 
Q 
45 
120 
75 
C 
16 
24 
R 
110 
(a) Find the values of P, Q and R. (P = 2.5, Q = 37.5 R = 150)
Hence, calculate
(b) a Laspeyres price index for the products sold in 2003. (131.144)
Answer: Date:1/5/2020
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