Boomerang Computer Company sells computers with an unconditional right to return the computer if the customer is not satisfied. Boomerang has a long history selling these computers under this returns policy, and can provide precise estimates of the amount of returns associated with each sale. Boomerang most likely should recognize revenue: 1When Boomerang receives cash from the customer. 2When Boomerang delivers a computer to a customer. 3When a customer returns a computer. 4Never, because the right of return is unconditional