question from my accounting class.

Cook Co. incurred the following costs related to the office building used in operating its sports supply company: Select each of the costs as a capital expenditure or a revenue expenditure. For those costs identified as capital expenditures, classify each as an additional or replacement component. If the cost is identified as a revenue expenditure, choose "not applicable" in the second dropdown. a. Replaced a broken window. v v b. Replaced the roof that had been on the building for 23 years. v v c. Serviced all the air conditioners before summer started. v v d. Replaced the air conditioners with refrigerated air conditioners in the customer service areas. V V e. Added a warehouse to the back of the building. v v f. Repainted the interior walls. v v 9. Installed window shutters on all windows. v v