3. The length of the measurement period allowed to value the assets and liabilities in an acquired business combination starts on the date of acquisition and lasts until: a. All necessary information about the facts of the acquisition is obtained b. All necessary information about the facts of the acquisition is obtained, not to exceed one month c. All necessary information about the facts of the acquisition is obtained, not to exceed one reporting period d. All necessary information about the facts of the acquisition is obtained, not to exceed one year