QUESTION 4 DP ple currently assembles two different types of computer from different combinations of the same components. The following budgeted detaile miate ta sl computers. 1he following costs are derived from DP plc's budget for the year to 31 December 2005. No cost increases are expected untiil July 2006. During the period to 30 th June 2006, DP pic expects that the assembly time will be limited to 1,000 hours and the testing time will be limited to 875 hours. The company believes hat there are a number of local residents who are willing to undertake the packaging if the existing staff were unable to complete the level of activity. The maximum levels of demand for each conputer will be as follows: 300 units of X (54) 800 units of Y (SS) (a) Calculate the contribution per unit for each computer (4.Marks) (b) Determine the mix of computers that will maximise DP plc's proint for the period ending. 30th June 2006, using a graphical linear programming solution, and calculate the contribution that will be eatned. (c) DP ple now realises that there may be a limit on the A computer package for linear programming has been used and the following solution determined. determined. Variables XY268.75112.50 variobles