The president of a small manufacturing firm is concerned about the continual increase in manufacturing costs over the past several years. the following figures provide a time series of the cost per unit for the firm's leading product over the past eight years. click on the datafile logo to reference the data. year cost/unit ($) year cost/unit ($) 1 20.00 5 26.60 2 24.50 6 30.00 3 28.20 7 31.00 4 27.50 8 36.00 (a) choose the correct time series plot. (i) (ii) (iii) (iv) what type of pattern exists in the data? (b) use simple linear regression analysis to find the parameters for the line that minimizes mse for this time series. if required, round your answers to two decimal places. y-intercept, b0 = 19.99 slope, b1 = 1.77 mse = (c) what is the average cost increase that the firm has been realizing per year? round your interim computations and final answer to two decimal places. $ 1.77 (d) compute an estimate of the cost/unit for next year. if required, round your answer to two decimal places. $ 35.92

Needs to schedule the staffing of the center. it is open from 8am until midnight. larry has monitored the usage of the center at various times of the day and determined that the following number of computer consultants are required: time of dayminimum number of consultants required to be on duty8 am-noon4noon-4 pm84pm-8pm108pm-midnight6 two types of computer consultants can be hired: full-time and part-time. the full- time consultants work for eight consecutive hours in any of the shifts: morning (8am- 4pm), afternoon (noon-8pm) and evening (4pm-midnight). full-time consultants are paid $14 per hour. part-time consultants can be hired to work any of the four shifts listed in the table. part-time consultants are paid $12 per hour. an additional requirement is that during every time period, there must be at least two full-time consultants on duty for every part-time consultant on duty. larry would like to determine how many full-time and part-time consultants should work each shift to meet the above requirements at the minimum possible cost. formulate this as an lp problem. you must define your variables clearly

Peppy knows a lot about marketing, but not much about the legal or financial aspects of starting a new business. he wants to consult with a lawyer and accountant, but his budget is tight with all of the expenses involved in getting peppy's pizzazzeria up and running. peppy should: trust his basic instincts and try to put it together without the advice of lawyers and accountants. delay talking with a lawyer and accountant until the business has established a positive cash flow for at least one year. immediately hire full-time lawyers and accountants for his staff. consult with a lawyer and accountant even though the budget is tight.

Which of the following best explains why buying a house is more beneficial than renting? a. buying is a personal investment while renting involves giving money to the landlord. b. the monthly payments on a mortgage are generally lower than rent on an apartment. c. it's easier to sell a house than it is to get a landlord to break a rental agreement. d. housing prices can go up and down quickly in comparison to the level of rents.