Sandhill Co. provides music lessons to many clients across the city. The following information is available to be used in recording annual adjusting entries at the company's September 30, 2021, year end: 1. On October 1, 2020, the company had a balance of $1,980 in its supplies account. Additional supplies were purchased during the year totalling $1.910. The supplies inventory on September 30, 2021, amounts to $750. 2. On November 1, 2020, Sandhill purchased a one-year insurance policy for $3,360. 3. On January 2, 2021, a client paid $1,560 for six months of lessons starting April 2, 2021. 4. 5. 6. 7. B. On February 1, 2021, Sandhill purchased a grand piano (to be used in music lessons) for $24,480. The piano's estimated useful life is 12 years. On May 1, 2021, Sandhill borrowed $24,240 from the bank and signed a 10-month, 6% note payable. Interest and principal are to be paid at maturity. On August 1, 2021. Sandhill signed a contract with a neighbourhood school to provide weekly piano lessons to some of its students for a fee of $1,760 per month. The contract called for lessons to start on September 1, 2021. The school has not yet been sent an invoice for the month of September. On August 15, 2021, the company paid $9,630 to Pinnacle Holdings to rent additional studio space for nine months starting September 1. Sandhill recorded the full payment as Prepaid Rent. Activate Windows Sandhill's instructors have earned salaries of $3,050 for the last week of September 2021. This amount will be paid to the Settings to activate Win instructors on the next payday: October 6, 2021.