An access route is being constructed across a field (Figure Q8). Apart from a relatively firm strip of ground alongside the field's longer side AB, the ground is generally marshy. The route can either follow the field boundary or proceed diagonally across from the first gate. Due to the condition of the field, the part of the road away from AB will cost twice as much per metre as that following AB. |B 50 m proposed route By considering the total cost involved, give your recommendation as to what form the road should take. 20 m Figure Q8