Mentor should be the answer
<h2>German success, then stalemate</h2>
<h3>Marne in early September 1914. This staunch rearguard action destroyed German hopes of a rapid victory in the west and defeated the Schlieffen Plan. The battle on the Western Front descended into a bloody stalemate that was not broken until the spring of 1918.</h3>
<h2>please mark in brain list </h2>
The correct answer is: " it uses a substitute item that is more expensive".
The healthier lunch is a menu option which has been developed in order to offer an alternative to students. The substitute product that has been chosen to integrate the side dish is relatively more expensive that the one used to produce the side dish in the ordinary lunch. The cost of producing the new side dish has increased and the market price at which the healthier option is sold is also larger.
