When allocating the transaction price for a contract with a customer, the 'expected cost plus a margin approach' requires the entity to: Select one: a. forecast its expected costs of satisfying a performance obligation and then add an appropriate margin for that good or service. b. evaluate the market in which it sells goods or services and estimate the price that a customer in that market would be willing to pay for those goods or services. c. allocate the price for the goods or services on an in-combination' basis. d. evaluate the market in which it purchases goods or services and estimate the price that a customer in that market would be willing to pay for those goods or services