Answer:
A) cost principle
Step-by-step explanation:
Cost Principle is a fundamental guideline in accounting. It states that assets should be recorded in it's cash amount or it's equivalent at the time of purchase. In this scenario, the corporation(Smith CPA, PC) ignored this fundamental principle and decided on a figure which didn't reflect the value paid for.
$35,000 is the cash value and should be recorded as the vlue of the building.