This is Engineering Economics question. Please help me to solve this question.

d) A water treatment plants was built in the year 2006 at a total cost of RM2,500,000. Prepare a budget estimate for a water treatment plant in 2010. Use the weighted index 2010 valued 172.85. Additional information is given in the accompanying Table Q1(c). (Chapter 3 - part 2 (Slide 9)) Table Q1(c) : Index Value Cost Element Index Index (2006) (2010) Labor 150 200 Concrete and steel 125 170 materials Equipment 110 160