“(0.1) A consumer may resolve, free of cost, this contract within 10 days after the date on which each party takes possession of a duplicate of the contract.To resolve the contract, the consumer must
“(a) remit the part of the granted credit that the consumer used to the merchant or the merchant’s representative if the credit has been granted at the time each party took possession of a duplicate of the contract;
“(b) send a written notice to that effect or remit the part of the granted credit that the consumer used to the merchant or the merchant’s representative if the credit has not been granted at the time each party takes possession of a duplicate of the contract.
“The contract is resolved, without other formality, as soon as the consumer remits the part of the credit that the consumer used or sends the notice.”;