How to sketch the graph for this...please show me how to do this, I am confused?

P

Princess Kasumi

New member
A has a value at time t equal to A(1-st), where s>0 is its depreciation. If the asset is sold at time t then present value of money raised by the sale is given by: P(t) = Ae^-rt(1-st), where r>0 is the bank interest rate. Find the value of t at which P(t) = 0 and find also the value of t when P(t) has a critical or stat point. Sketch the graph of P(t).

Please show the graph. Thanks:):)
 
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