Shamrock Furniture Company started construction of a combination office and warehouse building for its own use at an estimated cost of $4,972,800 on January 1, 2017. Shamrock expected to complete the building by December 31, 2017. Shamrock has the following debt obligations outstanding during the construction period.

Construction loan-10% interest, payable semiannually, issued December 31, 2016 $2,019,500

Short-term loan-8% interest, payable monthly, and principal payable at maturity on May 30, 2018 1,605,600

Long-term loan-9% interest, payable on January 1 of each year. Principal payable on January 1, 2021 1,001,000

Assume that Shamrock completed the office and warehouse building on December 31, 2017, as planned at a total cost of $5,192,000, and the weighted-average amount of accumulated expenditures was $3,827,600. Compute the avoidable interest on this project