Index of Rationality no. 10 is developed by means of comparing prices at which different contracting authorities purchased school desks, automobile tires, crushed stone for road maintenance, expert supervision of construction works and nitrous oxide for medical use. Greatest differences in price attained was noted in relation to procurement of expert supervision of construction works, while the smallest differences in price attained was noted in relation to procurement of nitrous oxide for medical use. Specific differences observed under this Index of Rationality include the following:
- school desks were purchased at prices ranging from 1,729 to 6,103 MKD, where the highest price is by 253% higher than the lowest price;
- automobile tires were purchased by the institutions at prices ranging from 2,309 to 5,546 MKD per winter tyre with dimensions 175/70 r13, where the highest price is by 140% higher than the lowest, while winter tires with dimensions 205/55 r16 were purchased at prices ranging from 4,228 to 9,558 MKD, which means that the highest price is by 126% higher than the lowest price;
- prices of crushed stone for road maintenance range from 649 to 1,121 MKD per 1 tonne, which means that the highest price is by 73% higher than the lowest price;
- expert supervision of construction works was contracted under service fee set as 0.39% to 2.97% of the construction building’s value, where the highest service fee is more than 6 times higher than the lowest service fee;
- nitrous oxide N2O for medical use was purchased by health care facilities at prices ranging from 578 to 636 MKD per kilogram, where the highest price is by 10% higher than the lowest price.