Under FTC rules, when a customer legally cancels a door$-$to$-$door sales contract, the seller must return the buyer's money within

a$.5$ days.

b$.3$ days.

c$.10$ days.

d$.$ a $$reasonable time$$ after the sale was made.Under FTC rules, when a customer legally cancels a door$-$to$-$door sales contract, the seller must return the buyer's money within

a$.5$ days.

b$.3$ days.

c$.10$ days.

d$.$ a $$reasonable time$$ after the sale was made.Under FTC rules, when a customer legally cancels a door$-$to$-$door sales contract, the seller must return the buyer's money within

a$.5$ days.

b$.3$ days.

c$.10$ days.

d$.$ a $$reasonable time$$ after the sale was made.Under FTC rules, when a customer legally cancels a door$-$to$-$door sales contract, the seller must return the buyer's money within

a$.5$ days.

b$.3$ days.

c$.10$ days.

d$.$ a $$reasonable time$$ after the sale was made.Under FTC rules, when a customer legally cancels a door$-$to$-$door sales contract, the seller must return the buyer's money within

a$.5$ days.

b$.3$ days.

c$.10$ days.

d$.$ a $$reasonable time$$ after the sale was made.Under FTC rules, when a customer legally cancels a door$-$to$-$door sales contract, the seller must return the buyer's money within

a$.5$ days.

b$.3$ days.

c$.10$ days.

d$.$ a $$reasonable time$$ after the sale was made.