William is the owner$/$insured under a $$200,000$ life insurance policy that includes a rider for chronic illness. The rider is an indemnity rider that specifies a maximum of $2$ percent of the death benefit can be accelerated on a monthly basis, up to $80$ percent of the death benefit. If William qualifies for the benefit, how much will the rider provide on a monthly basis?

$$ a$.$ $$1,200$

b$.$ $$3,200$

c$.$ $$4,800$

d$.$ $$5,600$