Relative to each airplane, classify each of the operating cost items (a to e) listed in the table below into: i. Direct or Indirect costs ii. Fixed or Variable costs Tick ()the relevant column Cost item (a) Fuel costs for airplane (b) Allowance paid to pilot for each trip (c) Depreciation of hangar to park the airplane using straight-line method. (d) Depreciation of airplane using straight-line method (e) Insurance for accident and damage to airplane Direct or Indirect Fixed or Variable D I F V