laminate underlay in condo

Hi, I just bought a new condo(on a high floor), and i have contracted a flooring company to install quick-step laminate flooring. The installer finished the job, however when i inspected the floor I found that the floor was extremely soft. The installer said he used 1/4 inch cork underlayment plus a 2-in-one foam+moisture barriers. The subfloor is concrete. When i examined a cork sample, i found it to be a vary stable platform. However the 2-in-one foam was extremely soft.
The installer is claiming that it is normal for laminate to be this soft. However I have a friend in the same building, and his laminate is not as soft.
Is it standard procedure to install cork + a 2-in-one foam-moisture barrier? isn't the extra layer of foam overkill given that 1/4 cork is already laid down?
thanks Alex
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