A company is trying to choose a new siding for its office. A siding company gave them two options: 1. Wooden siding: o will last ten years, o costs $5,000 to install $1,000/year to maintain 2. Fiber cement siding o which will last forever o costs $15,000 to install lower maintenance cost per year If your discount rate is 10%, how much your maintenance costs have to be for you to choose to go with aluminum siding