AVERAGE PRODUCT AND MARGINAL PRODUCT: 1  If the marginal is less than the average, then the average declines. 2  If the marginal is greater than the average, then the average rises. 3  If the marginal is equal to the average, then the average does not change. If the productivity of the marginal worker is equal to the average productivity of the existing workers, then the average does not change. 2  Marginal Less Than Average: Once the marginal product curve moves below the average product curve, then the average product curve declines.
Marine Engineer or Naval Architect Salary. (United States). Median pay for Marine Engineer or Naval Architects in the United States is around $84K annually. In the world of Marine Engineer or Naval Architects, total cash compensation can vary between $55K and $147K.arine Engineer or Naval Architect Salary. (United States). Median pay for Marine Engineer or Naval Architects in the United States is around $84K annually. In the world of Marine Engineer or Naval Architects, total cash compensation can vary between $55K and $147K.
What is the monthly salary for a marine engineer? After you complete your shore based training of 1year, you join a ship as a junior engineer and your training on board ship continues for 6 months. During this period of train â¦ ing you get a stipend of around Rs33,000/- per month. second engineer earns wages to the tune of more than 2.75 - 3 Lakh rupees per month. You work for one and half year more and appear for another examination (MEO Class I) conducted by MMD.