Neco Model Questions Vol1 2018 Agricultural Science Question 23
Practice objective / multiple choice question 23 from the 2018 Neco Model Questions Vol1 Agricultural Science examination.
The volume of timber (in m³ per hectare) from a stand of a fast‑growing species is modelled by ( V(t)=\begin{cases} 0.5\,t^{2}, & 0\le t\le 30,\\ 510-2t, & t>30, \end{cases} ) where \(t\) is the age in years. Timber sells for N200 per m³ and the annual discount rate is 10 %. Ignoring regeneration cost, find the rotation age that maximises the present value of a single harvest and give that maximum present value (rounded to the nearest N).
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About This Question
This is Neco Model Questions Vol1 2018 Agricultural Science Question 23. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Hard .
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