Q1. The purchased and installation cost of some piece of equipment are given as a function of weight rather than capacity. An example of this is the installed cost of large tanks. The 2012 cost of for an installed aluminum tank weighing 49000 kg was OMR 663000. For a size ranging from 90,000 to 490,000 kg the installed cost weight exponent for aluminum tank is 0.93. If an aluminum tank weighing 258000 kg is required, what capital investment is needed in the year 2022?

Please give correct answer with calculation and explanation.