I am lost and there is also a part b.

11:21 SO X CH 10 HW Required Sage Furniture Company started construction of a combination office and warehouse building for its own use at an estimated cost of $3,000,000 on January 1, 2020. Sage expected to complete the building by December 31, 2020. Sage has the following debt obligations outstanding during the construction period. Construction loan-12% interest, payable semiannually, issued December 31, 2019 Short-term loan-10% interest, payable monthly, and principal payable at maturity on May 30, 2021 Long-term loan-11% interest, payable on January 1 of each year. Principal payable on January 1, 2024 $1,200,000 840,000 600,000 (a) * Your answer is incorrect. Assume that Sage completed the office and warehouse building on December 31, 2020, as planned at a total cost of $3,120,000, and the weighted-average amount of accumulated expenditures was $2,160,000. Compute the avoidable interest on this project. (Use interest rates rounded to 4 decimal places, e.g. 7.5825% for computational purposes and round final answers to decimal places, e.g. 5,275.) 243200 Avoidable Interest $