Given the following information, is purchasing performing well in buying iron castings? Sept 20, 2015 Dec 31, 2015 Price Paid To Supplier $52.50 $53.20 % Increase =(53.20-52.50)52.50 1.333% (increase) Iron Castings from PPI 127.20 127.5 % Increase =(127.5-127.2)127.2 0.236% (increase) o Terrible job (i.e., you deserve to get fired) o Mediocre job (i.e., you will likely keep the job, but you won't receive a bonus) o Good job (i.e., you can keep the job, and you'll likely earn a bonus) o Fantastic job (i.e., you deserve a promotion)