Suppose that the increase in the fee from $8 to $16 reduces travel time in the central city from 30 minutes down to 20 minutes. what is the percentage change in the total cost of driving in central london?

land, a building and equipment are acquired for a lump sum of $ 1,000,000. the market values of the land, building and equipment are $ 300,000, $ 800,000 and $ 300,000, respectively. what is the cost assigned to the equipment? (do not round any intermediary calculations, and round your final answer to the nearest dollar.)