I don't know if the answer is right

for a contractor, determine the change in the total overhead cost due to the following transa negative sign if its decrease and positive sign if its increase): 1. receive 58,000 invoice for plumbing work charged to cost code 15100 Plumbing on Phase 1 of Job Number 110 , When paying the bill the contractor will withhold 7% retention. 2. receive $1,000 invoice for office rent. 3. Send a $10,000 bill to a client for Job 110 . The client holds 7% retention. 4. Contractor bills the client for the $700 outstanding retention. 5. The contractor purchases a $100,000 hydraulic excavator with a $90,000 loan and a $7,000 cash down payment 6. The contractor makes the first payment on the excavator in question 5. The amount of the payment is $ 1,000 , which includes $700 in principal and $300 in interest. 7. Rents excavator for $1,500 per month and is used on multiple jobs 8. The contractor leases a front-end Ioader. The lease is considered a capital lease with a present value of $100,000 9. Sold a crane for $75,000 in cash. The crane was purchased for $100,000 and $25,000 of depreciation has been taken