Margaret earned $4,000 during january of this year. she was unemployed for february and march, and during april she earned an additional $3,000. she did not work again until december, at which time she earned $1,200. how many quarters of coverage has margaret earned for social security during this year?

Which of the following statements regarding the learning curve and economies of scale is accurate? answers: just as diseconomies of scale are presumed to exist if a firm gets too large, there is a corresponding increase in costs in the learning-curve model as the cumulative volume of production grows. where diseconomies of scale are presumed to exist if a firm gets too large, there is no corresponding increase in costs in the learning-curve model as the cumulative volume of production grows. where diseconomies of scale are presumed to exist if a firm gets too small, there is no corresponding increase in costs in the learning-curve model as the cumulative volume of production grows. just as diseconomies of scale are presumed to exist if a firm gets too small, there is a corresponding increase in costs in the learning-curve model as the cumulative volume of production grows.

How supply and demand work together to reach the equilibrium price in the marketplace? give at least a paragraph. you!

Amarket that consists of all possible consumers regardless of their specific needs or wants is a