Planet earth developers is a large nationwide construction company with home offices in lansing, mi. the local media often remarks about the pristine landscaping that surrounds the home office that sits on a 30-acre complex. at the back end of the complex are several large warehouses and garages that hold large equipment. the grounds surrounding these warehouses look like a well-maintained park. across the street from the garages are several shops and businesses. the ceo, "planet paul" (as his employees call him), often talks about how he is that the town permits him to store the company equipment at that site, and vows to always maintain the premises for his neighbors (the other businesses that thrive in that area), not to mention that he asks 100 employees to come to work there everyday. which of the following statements describes planet paul's business philosophy?

Areal estate agent is considering changing her cell phone plan. there are three plans to choose from, all of which involve a monthly service charge of $20. plan a has a cost of $.42 a minute for daytime calls and $.17 a minute for evening calls. plan b has a charge of $.52 a minute for daytime calls and $.15 a minute for evening calls. plan c has a flat rate of $80 with 275 minutes of calls allowed per month and a charge of $.38 per minute beyond that, day or evening. a. determine the total charge under each plan for this case: 150 minutes of day calls and 70 minutes of evening calls in a month. (do not round intermediate calculations. round your answer to 2 decimal places. omit the "$" sign in your response.)c. if the agent will use the service for daytime calls, over what range of call minutes will each plan be optimal? (round each answer to the nearest whole number. include the indifference point itself in each answer.)d. suppose that the agent expects both daytime and evening calls. at what point (i. e., percentage of total call minutes used for daytime calls) would she be indifferent between plans a and b?