The following graph shows the relationship between the value of a building and the depreciation allowed for income tax purposes. 150 000 100 000 (0, 90000) Value ($) 50 000 -50 000 10 20 (30, 0) 30 Time (years) X Find the slope of the line between the two points shown on the graph. Write a sentence that states the meaning of the slope in the context of this application. The value of the building is decreasing at a rate of -Select-- 1

Find the slope of the line between the two points shown on the groph. Write a sentence that states the meaning of the slope in the context of this application. The value of the building is decreasing at a rate of