https//mylearn.hcl.ac.ae/bbcswebdavid-14495731-0 3. Formula Sheet-EGN 3212 - Economics for Engineering ... signment 6-CLO3 Seved Help Save & Exit Submit mt 6-CLO36 Check my work The Camino Real Landfill was required to install a plastic liner to prevent leachate from migrating into the groundwater. The fill area was 42,000 m and the installed liner cost was $8 per m2. In order to recover the investment, the owner charges to unload at the rates of $12 per pickup. $25 per dump truck, and $70 per compactor truck load. The fill area is adequate for 6 years. If the annual traffic is estimated to be 2500 pickup loads, 650 dump-truck loads, and 1200 compactor-truck loads, what rate of return will the landfill owner make on the investment? The rate of return that will be made by the landfill owner is % per year