28 A typical family on Sandy Island consumes only juice and cloth. Last year, which was the reference base year, the family spent €40 on juice and €25 on cloth. Last year, juice was €4 a bottle and cloth was €5 a metre. This year, juice is €4 a bottle and cloth is €6 a metre. Calculate:

a The CPI basket.

b The CPI in the current year.

c The inflation rate in the current year.