Assume a two-good world in which the market basket is 10 units of good A and 2

Question:

Assume a two-good world in which the market basket is 10 units of good A and 2 units of good B. Good A costs $4 and good B costs $1 in year 1. Furthermore, assume that in year 2 the prices rise to $5 and $2, respectively. Calculate the inflation rate in year 2. Will the choice of base year affect your answer?