4. (5 points) The Government of Brazil is proposing four program options to improve scores. The objective is to improve writing skills, reading comprehension, mathematical skills and computer skills. Experts have provided weights to the three indicators. The table below provides the weights and the incremental scores for each of the categories. Category Weights Program 1 Program 2 Program 3 Program 4 scores scores scores scores Writing skills 6 40 55 45 55 Reading 7 45 45 65 55 60 60 70 comprehension Mathematical 8 70 75 50 50 55 65 skills Computer skills 9 60 65 55 45 Cost per $95 $100 $110 $115 student a. Estimate the weighted cost-effectiveness ratio for each program option (4 points) b. Which program option will you recommend and why? (1 points)