An investment promises two payments of $630, on dates two and four months from today. If the required rate of return on the investment is 5.3%: What is the value of the investment today?

water molecules will move from the side of higher water concentration to the side of lower concentration until both solutions are isotonic. at this point, equilibrium is reached. in an isotonic solution, the flow of water in and out of the cell is happening at the same rate.

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it is b)

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the answer

b. they are parallel and will never intersect.