Monty Company borrowed $1,012,250 on March 1 on a 5-year, 12% note to help finance construction of the building. In addition, the company had outstanding all year a 9%, 5-year, $2,458,400 note payable and an 10%, 4-year, $3,504,400 note payable. Compute the weighted-average interest rate used for interest capitalization purposes