a. The equality of marginal revenue and marginal cost is essential for profit maximization in all market structures because when this is true multiple choice 1 the last unit produced adds more to revenue than costs, and its production must necessarily increase profits or reduce losses. the last unit produced adds more to costs than revenue, and its production must necessarily increase profits or reduce losses. firms make a profit. firms experience the law of diminishing marginal returns.

among other factors, composers started writing dynamic markings in their scores because "new instruments allowed for more dynamic ranges and contrast."

dynamics allude to the loudness or softness of music. dynamics offer an approach to demonstrate articulation in sheet music. they to drive the enthusiastic substance of music through volume and force. maybe you could alter both the volume and the shading profundity on your screen at the same time. we can likewise think about the force side of elements as the quality of a note. a few notes are intended to be played delicately and gently, while others are intended to be played all the more firmly.  

some dynamics markings have a letter 'm,' which remains for mezzo, signifying 'medium.' so a mezzo piano unique stamping resembles this (mp) and intends to play medium calm, while a mezzo specialty dynamic resembles this (mf) and intends to play medium loud.