Hi dferm,
it can be approached like this
from Nov to Feb no shipping but storage of 4x material
at the begining of Mar 1/2x shipped, so left over in
Mar- 3.5x => charge $0.35
Apr 3.0x => $0.30
May 2.5x $0.25
Jun 2.0x $0.20
Jul 1.5x $0.15
Aug 1.0x $0.10
Sep 0.5x $0.05
Oct nil $0.0
adding all the charges, Total charges paid= $1.4 which is the ans
GMAT Prep2?? (Rakes)
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