Answer:
This is known as Revenue recognition principle
Step-by-step explanation:
Revenue recognition principle is an accepted principle in the field of accounting that helps to identify particular situations in which revenue is recognized and further determine how the revenue can be accounted for. Normally, you only recognize a revenue when the event has taken place, which means that it is recognized when the amount spent can be measured to the company. Since in December, it is not possible for the sod to be installed, it is only correct to record this revenue in March when the installation has taken place.