The current December SPI $200$ futures contract is at $3301.$ The ASX $200$ is at $3305\mathrm{.}4.$ The

current $30-$day bank bill is at $4\mathrm{.}492\%.$

A$.$ If there are $45$ days remaining until December $2001$ futures contracts expire,

determine whether put$-$call parity is maintained for the December call & put options

on SPI $200$ futures with the exercise price closest to the current SPI $200$ price.

B$.$If put$-$call parity is not maintained, explain the possible reasons why it might not be$.$