An economy is experiencing high inflation. In this economy the price level P(t) has doubled after one year, that is, the price new level is P(t+1)=2×P(t). A resident in this economy bought one Bitcoin at a total cost of $50,000 at the beginning of year t and sold it by $87,500 at the end of year t, what was the real rate of return on your investment?

the third answer is correct.

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.