As far as labour and overhead costs, including depreciation are concerned, they represented on average less than 10 % of the total cost of a module in the IP and are not considered to have played any significant role.
Tööjõu- ja üldkulud, sealhulgas amortisatsioon, moodustasid uurimisperioodil mooduli kogukulust keskmiselt alla 10 % ega omanud olulist rolli.