Clothing co. sells 30,000 units of blazers at £4.80 per unit in 2012, and 36,000 units of trousers at £6.00 per unit in 2013.
(a) Calculate the following values for trousers for 2013 with 2012 as the base year:
(i) quantity relative for unit sales
(ii) price relative for unit prices
(iii) index of total sales value