On January 1, 2021, Desert Company announced their intent to build a new headquarters building. Construction began on February 1st. On March 1st, Desert took out a loan from Cactus Capital for $500,000 at 8% interest over 3 years and at that time made their first expenditure. Construction was complete on December 1st. What is the date on which they can begin capitalizing interest costs? Group of answer choices