Almond Selling price = CP(1 + P%/100)
=> CP = 20000, SP = 23000
=> 23000 = 20000 (1 + P/100)
=> P% = 100(23000/20000 - 1) = 15
Then, Olive's P% = 30%
SP for Olive = CP for Sarah = 23000(1 + 30/100) = 29900
Now Sarah wants to earn profit of 8%
=> Sp for Sarah = 29900(1 + 8/100)
= Rs. 32,292.