A tech accessories kiosk has experimented with changing the prices of various items sold in their shop. The table below shows the prices per item across two years.
| Item | Year 1 | Year 2 |
|---|---|---|
| Phone Cases | £12 | £18 |
| Wireless Earbuds | £50 | £40 |
| Charging Cables | £10 | £14 |
| Screen Protectors | £15 | £12 |
Other things being equal, which one of the following changes from Year 1 to Year 2 is the retailer most likely to experience?
A decrease in revenue from Phone Cases if the price elasticity of demand is minus one
An increase in revenue from Wireless Earbuds if the price elasticity of demand is inelastic
A decrease in revenue from Charging Cables if the price elasticity of demand is elastic
A decrease in revenue from Screen Protectors if the price elasticity of demand is elastic
