Shamrock Furniture Company started construction of a combination office and warehouse building for its own use at an estimated cost of $10,500,000 on January 1,2020. Shamrock expected to complete the building by December 31, 2020. Shamrock has the following debt obligations outstanding during the construction period. Assume that Shamrock completed the office and warehouse building on December 31,2020 , as planned at a total cost of $10,920,000, and the weighted-average amount of accumulated expenditures was $7,560,000. Compute the avoidable interest on this project. (Use interest rates rounded to 2 decimal places, e. 8.7.58% for computational purposes and round final answers to 0 decimal places, e.g. 5,275 .) Avoidable interest