A real estate agency has fixed monthly costs associated with rent, staff salaries, utilities, and supplies. It earns its money by taking a percentage commission on total real estate sales. During the month of July, the agency had total sales of $834,000 and showed a net income (after paying fixed costs) of $15,763. In August total sales were $326,000 with a net income of only $523 (a) Use a formula to express net income as a linear function of total sales. Let be the net income in dollars, and let s be the total sales in dollars. (Round the terms to two decimal places.) N(S) (b) Plot the graph of net income. 20000 20000 N N 10000 10000 0 200000 400000 $ 600000 800000 0 200000 600000 800000 400000 s -10000 -10000 o 20000 20000 N N 10000 10000 0 200000 400000 600000 800000 0 200000 400000 600000 800000 -10000 -10000 Identify the slope and vertical intercept. (Round your answers to two decimal places.) slope vertical intercept (s, N) = (c) What are the real estate agency's fixed monthly costs? (Round your answer to two decimal places.) $ (d) what percentage commission does the agency take on the sale of a home? (Round your answer to two decimal places.) % (e) Find the horizontal intercept. (Round your answers to two decimal places.) (s, N) =( Explain what this number means to the real estate agency. The horizontal intercepts is the total ---Select-- sales needed for the agency to break even