Use the tree plan to complete the problem below. State your answers within a complete sentence so that understanding of applying the results of the computations can be observed. You should also include the work for your computation; this will assist in applying partial credit if answers are not correct. 0.5 Awarded contract 2 250000 90000 Prepare proposal -50000 20000 0.5 Not awarded contract 0 Do not prepare proposal 0 0 -50000 80000 -120000 80000 0.5 Electronic success 150000 Try electronic method 0 -50000 0.5 Electronic failure 90000 150000 30000 -120000 30000 0.7 Magnetic success 120000 Try magnetic method 0 -80000 0.3 Magnetic failure 84000 120000 0 -120000 0 -50000 0