If a bond's yield to maturity has increased from $4\mathrm{.}33\%$ to $4\mathrm{.}65\%,$ then:

A The YTM has increased by $32$ basis points.

B The YTM has increased by $\mathrm{.}32$ basis points.

The YTM has increased by $32$ bond points.

The YTM has increased by $3\mathrm{.}2$ bond points.