
Raoul G. answered 05/28/17
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Business and Economics Expert
First sophisticated (re-sellers) retailers and wholesalers always use their selling price as the basis for calculating mark-on, mark-up, gross margin or gross profit. After all, the firm's profitability is based on revenue not cost and revenue is a direct function of the firm's selling prices. With this background,
A) $ Cost is unknown and $ Cost is (100% or 1) of Cost
$ Selling Price = $260
% Mark-up on cost method = 25% or .25
$ Cost = SP / (1+mark-up%) = $260/(1+.25) = $260/1.25 = $208
Proof: $Cost x 1.25% = SP = $208 x 1.25% = $260 when you are marking up your cost to get your selling price.
$Mark-up amount on cost = $SP-$Cost = $260-$208 = $52
Rate of mark-up on $Cost = 25% which is given
Rate of mark-up on $SP = $MU/$SP = $52/$260 = 20% (significantly less than the MU% on $Cost
B) $ Cost is $60
$ Selling Price is unknown and $SP is (100% or 1) of $SP
% Mark-up on $SP method = 32% or .32 is given
$ SP = $Cost / (1- MU%)
$ Selling Price is unknown and $SP is (100% or 1) of $SP
% Mark-up on $SP method = 32% or .32 is given
$ SP = $Cost / (1- MU%)
= $60) / (1-.32)
= $60 / .68
= $88.23
Proof: $88.23-$60 = $28.23 or 32% of the $88.23 SP
Proof: $88.23-$60 = $28.23 or 32% of the $88.23 SP
Amount of $MU = $28.23
Rate of MU on $Cost = $28.23 / $60 = 47.05%
Rate of MU on $ SP = $28.23 / $88.23 = 32%