Guadalupe purchases an office building to use in her business at a cost of $520,000. She properly allocates $20,000 of the cost to the land and $500,000 to the building. Assume that Guadalupe would like to deduct the maximum depreciation on the building. Determine her first-year depreciation on the building if she purchases the building on the following dates.

a. June 30, 1992. $

b. June 30, 1994. $