You are considering purchasing a put option on a stock with a current price of $20. The exercise price is $23, and the price of the corresponding call option is $2.35. According to the put-call parity theorem, if the risk-free rate of interest is 3% and there are 90 days until expiration, the value of the put should be ____________.

$2.35

$5.18

$5.32

$6.79