Can y’all help me to sort these out?

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?

Salaries are $4,500 per week for five working days and are paid weekly at the end of the day fridays. the end of the month falls on a thursday. the accountant for dayton company made the appropriate accrual adjustment and posted it to the ledger. the balance of salaries payable, as shown on the adjusted trial balance, will be a (assume that there was no beginning balance in the salaries payable account.)

Slow ride corp. is evaluating a project with the following cash flows: year cash flow 0 –$12,000 1 5,800 2 6,500 3 6,200 4 5,100 5 –4,300 the company uses a 11 percent discount rate and an 8 percent reinvestment rate on all of its projects. calculate the mirr of the project using all three methods using these interest rates.