Need help with steps on why it is choice D

[Use the following information for questions 7 through 11] Gotham Excavation & Construction Co. is a construction company, based in Gotham City. Wayne Industries Inc. is a privately-held conglomerate, also based in Gotham City Both companies are well funded. Both companies have strong reputations for following through on their contracts and paying vendors and suppliers according to contract terms Wayne Industries Inc. and Gotham Excavation & Construction Co. sign an agreement in which Gotham Excavation & Construction Co. will excavate and construct a secret, underground garage beneath the home of Wayne Industries's CEO The agreement also requires Gotham Excavation & Construction Co. to install a large search/spot light on top of Gotham City police headquarters. Gotham Excavation & Construction Co. estimates that construction will take 2 years with a 20% probability or 3 years with an 80% probability. Wayne Industries Inc. agrees to pay Gotham Excavation & Construction Co. $60 at the beginning of construction, $54 at the completion of construction, and a bonus of $30 if construction is completed in 2 years or less. Construction begins immediately after the parties sign the agreement. 10. Allocate the transaction price. One month after signing the agreement, Gotham Excavation & Construction Co. gains access to an excavation technology that will allow it to complete the contract in two years or less. Construction costs will be $36 in the first year and $72 in the second year. Gotham Excavation & Construction Co. determines that ultimately it will be able to earn the performance bonus and recognize $144 in revenue Assume that construction proceeds as planned and incurred costs equal estimated costs. How much revenue will Gotham Excavation & Construction Co. recognize in the first year and how much revenue will Gotham Excavation & Construction Co. recognize in the second year? Multiple choice; circle one; 3 points each $0 in the first year and $144 in the second year a. $144 in the first year and $0 in the second year b. $72 in the first year and $72 in the second year . d. 48 in the first year and $96 in the second year $96 in the first year and $48 in the second year