yayai Corp. enters into a contract with a customer to build an apartment building for $1,037,600. The customer hopes to rent apartments at the beginning of the school year and provides a performance bonus of $155,400 to be paid if the building is ready for rental beginning August 1, 2018. The bonus is reduced by $51,800 each week that completion is delayed. Ayayai commonly includes these completion bonuses in its contracts and, based on prior experience, estimates the following completion outcomes:

Completed by Probability August 1, 2018 70 %

August 8, 2018 20 %

August 15, 2018 4 %

After August 15, 2018 6%