Your company is about to purchase a new PC. Three objectives are important in determining which computer you should purchase: cost, user friendliness, and software availability. The pairwise comparison matrix for these objectives is shown in the file P09_26.xlsx.

Three computers are being considered for purchase.

The performance of each computer with regard to each objective is indicated by the pairwise comparison matrices also shown in this file.

a. Which computer should you purchase?

b. Check the pairwise comparison matrices for consistency.