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A pet supply company enters into a contract to supply 1,000 pet crates to a national retailer at $40 per unit. The contract specifies that the pet crates will be delivered to a specific distribution center with date(s) of delivery to be supplied by the retailer. The retailer expects to have sufficient shelf space at the time of delivery. As of year-end, the pet supply company has inventory of 3,000 pet crates, including the 1,000 pet crates relating to the contract with the retailer. The 1,000 pet crates are stored with its other 2,000 pet crates, which are all interchangeable products. However, the pet supply company put controls in place to assure that they will not deplete total inventory below 1,000 units. At the inception of the contract, how much revenue should the pet supply company recognize