A European call option and put option on the shares of Kalahari Limited both have a strike price of R$45$ and a time to expiration of $9$ months. The call option trades at R$2\mathrm{.}00$ and the put option trades at R$1\mathrm{.}50.$ The current risk$-$free interest rate is $9\%$ per annum. What is the value of an equivalent share price of Kalahari Limited if you use put$-$call parity?

a$.R40\mathrm{.}19$

b$.$ R$42\mathrm{.}68$

C$.$ R$43\mathrm{.}26$

d$.$ R$44\mathrm{.}19$