LSU Athletic Department is considering two alternative plans for the expansion of Tiger Stadium. An Engineer makes the following cost estimates for each:

A: Concrete Bleachers: First cost, $350,000. Life, 90 years. Annual upkeep costs $2000.

B: Wooden Bleachers: The first-year cost for of the project includes ground preparation, painting, seats, and bleachers. Painting costs $10,000 every three years. seats cost $40,000 every 15 years. bleachers cost $100,000 every 30 years. Ground preparation is $50,000 and, will last the entire 90-year period.

Given i=7%: What is the annual cost of A?