The High Court's decision in Waltons Stores (Interstate) Ltd v Maher (1988) 164 CLR 387: Select one: Q a. Restricted the doctrine of equitable estoppel such that, where the contract is of a commercial nature, the doctrine will not apply O b. Extended the doctrine of equitable estoppel such that it applies even where there is no pre-existing contractual relationship between the parties 0 c. Extended the doctrine of promissory estoppel such that it applies even where the promisor does not create or encourage the false assumption of the promisee Q d. Restricted the doctrine of promissory estoppel G such that where an innocent third party has been affected, no remedy can be ordered