The largest building at Mohenjo-daro was the granary (grain storage). Consider the following statements regarding this: (1) It was 45.71 meters long and 15.23 meters wide. (2) Its floor area was approximately 838.1025 square meters. (3) In addition to Mohenjo-daro, evidence of granaries has also been found in Harappa. Which of the above statements is/are true?