In a bid to cover rising raw material costs, the eco-gardening supplier BioSoil raised the price of its signature 10kg premium compost bag from £12.50 to £14.50. Following this price increase, monthly unit sales of the compost bag dropped by 24%.
Ceteris paribus, calculate the price elasticity of demand (PED) for BioSoil premium compost over this period. Show your working.
119 exam-style questions on Edexcel A A Level Economics 1.2.3 Price, income and cross elasticities of demand. Each one has a worked solution and a mark scheme showing where the marks go.