Ch5,67 The Camino Real Landfill was required to install a plastic liner to prevent leachate from migrating into the groundwater The fill area was 44.000 m2 and the installed liner cost was $8 per m2 In order to recover the investment the owner charges to unload at the rates of $14 per pickup, $25 per dump truck, and $70 per compactor truck load. The fill area is adequate for 8 years, If the annual traffic is estimated to be 2500 pickup loads, 650 dump-truck loads, and 1200 compactor-truck loa Help Save & E owner make on the investment? 1203)//he t loads, what rate of return The rate of return that will be made by the landfill owner is-% per year