2. If labor s marginal product is less than its average product, 3. If labor s marginal product equals its average product, = 0 and the average product will reach its minimum value at that point, as this is the first-order condition for a minimum.arginal Product and Average Product. Consider a firm producing output with just two inputs, labor (L) and capital (K). The firm s total product (TP, or  Q  for quantity produced) is a function of its two inputs: TP = Q = f (L, K).
The average, or mean, wages for marine engineers and naval architects were $38.10 per hour or $79,240 per year in May 2009, according to the Bureau of Labor Statistics (BLS).alaries ranged from $41,070 and less for the worst-paid 10 percent of marine engineers to $121,900 and up for the occupation's top 10 percent of wage earners.
Marine Engineer or Naval Architects with a rich background of experience are typically rewarded with larger paychecks. Salaries for the relatively untried average out to around $65K, but survey participants with five to 10 years of experience earn a significantly higher median of $85K.For Marine Engineer or Naval Architects, 10 to 20 years of experience on the job amounts to an average salary of $99K.More than 20 years of experience seem related to solid financial gains; veterans in this group report earning a median of $125K.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.