Question $3$

Study table $5\mathrm{.}1$ below and answer the question that follows

Table $5\mathrm{.}1$

Cornetto ice cream is a popular snack bought by kids in senior primary school. Cornetto's income elasticity of demand is estimated to be $-0\mathrm{.}1.$ Calculate the percentage change in quantity demanded for Cornetto ice cream between $2020$ and $2021,$ ceteris paribus:

A$.\backslash (-0\mathrm{.}8\backslash \%\backslash )$

B$.\backslash (-2\backslash \%\backslash )$

C$.\backslash (-2\mathrm{.}5\backslash \%\backslash )$

D$.\backslash (-25\backslash \%\backslash )$