Varun applied for a life insurance policy on November $5,2020$ and his application was approved by the insurer on November $26,2020.$ His agent delivered the final contract to Varun on November $28,2020$ and received the first premium upon delivery. A couple of days later, Var$$n decides to cancel the policy. Which of the following is the last date Varun can rescind the policy for a full refund of premiums?

VHc$3$dUg$0$V$3$pQYmFwbWlvN$0$tlbEtFQT$09$

a$.$O December $5,2020$

b$.$O December $8,2020$

CO November $30,2020$

d$.$O December $27,2020$