Time period $0$y$1$y forward rate $\mathrm{.}80\%$

Time period $1$y$1$y Forward rate $1\mathrm{.}12\%$

Time period $2$y$1$y Forward rate $3\mathrm{.}94\%$

Time period $3$y$1$y Forward rate $3\mathrm{.}28\%$

Time period $4$y$1$y Forward rate $3\mathrm{.}14\%$all rates stated for a periodicity of one$($ effective annual rates$).$

The three year implied spot rate is