dont copy paste A and B with regard to these three dimensions. Their ratings (1=poor to 5=excellent) are as follows:

Performance dimension

Performance ratings

Supplier A

Supplier B

Cost

5

3

Quality

4

5

On-time production

3

5

a) Use the weighted-point evaluation system to calculate the weighted average performance for suppliers A and B and determine the best supplier based on the total score of performance. (4 marks)

b) XYZ Co. Ltd can buy 80,000 units of accessories from either supplier A or supplier B. From supplier A, accessories are shipped by rail, taking 16 days at a cost of $1,600. While from supplier