You are a team of consulting engineers studying the flow of water from a certain river into a large lake. You have data in the form of a graph detailing the amount of water that has flowed into the lake from the river over a fourteen-day period. The graph is given in Figure 1. total amount [(100 million gallons) 40 30 20 10 I - 6 time 8 10 12 14 (days) Figure 1 Your job is to report several results to your client as follows: 1. First, determine the total volume of water that has flowed from the river in the first five days of the observation period; in the first ten days; in the entire fourteen-day period