Basics of Engineering Economy 1st Edition by Leland Blank,Anthony Tarquin

Exercise 16

The ENR materials cost index (MCI) had a value of 2583.52 in January 2007.In the same month, the cost for cement was $5.90 per ton.If cement increased in price exactly in accordance with the MCI, what was the cost of cement per ton in 1913 when the MCI index value was 100?