The Easy Finance Company has 3,000 loans outstanding at a recorded total book value of \(\$ 960,000\). As the auditor on this engagement, Mary Jones selects a sample of 300 loans for vouching. These loans have a reported book value of \(\$ 93,000\) and a verified book value of \(\$ 90,000\).

Required:

Compute the estimated total value of the loans by (1) mean estimation sampling for variables, (2) ratio estimation, and (3) difference estimation.