The following tables provide the economic data for an economy.

Year 2018 2019 2020 Price Quantity Price Quantity Price Quantity Bread 1.8 6000000 1.9 5500000 2 5500000 Cars 25000 40000 27500 40000 27500 50000 PlayStation 4 (PS4) 180 15000 150 17500 180 17500 TVs 300 20000 300 20000 375 20000 Computers 1500 75000 1350 65000 1200 65000 Smart phones 100 150000 25 150000 100 150000 Pens 2.75 5000000 3.25 5000000 3.5 5000000 Hockey sticks 30 2000000 35 3000000 37.5 3000000 Machinery 9500 100000 10250 150000 11000 150000 Apples 0.2 10000000 0.3 9000000 0.5 9000000