$\backslash$table$[[$Table $5$: Price Index for Macroland,,,,$],[,$Year $1,$Year $2,$Year $3,$Year $4],[$Price index,$140,150,158,162]]$

Table $5$ provides the price index for Macroland for four years. What was the inflation rate in Macroland during year $3?$

$2\mathrm{.}5\%$

$4\mathrm{.}0\%$

$5\mathrm{.}3\%$

$12\mathrm{.}9\%$