The Bulgarian business hopeful rubs Wright up the wrong way when they are sent off to London Zoo to sell their print products to families.
Apostolova's more aggressive approach to sales, which includes approaching children to flog her products, frustrates the more mild-mannered Wright.
The boys also run into problems when they attempt to sell some of their shoddily produced items on mass to a local shop, because it isn't long before the store spots the defects in their product.
Azhar Siddique is forced to handle the awkward situation for the boys as they have to backtrack on their sales. But will the blunder cost them dear in the boardroom with Lord Sugar?
The Apprentice airs on Wednesdays at 9pm on BBC One.
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