The correct answer is letter D.
Explanation: In this case the two grocery wants to sell their products, as a result they are gonna represents many products, because they are two. And they of course wants to sell their products, so they are gonna lower the prices for sell.
The consumers can buy more, with a lower price.
4. the hindenberg disaster, a total of 36 fatalities (changed public opinion on airships forever) as well as the competition with airplanes.
5. airships and blimps are both dirigibles. a blimp (technically a “pressure airship”) is a powered, steerable, lighter-than-air vehicle whose shape is maintained by the pressure of the gases within its envelope.
6. most blimps are used as advertising devices, you will see them overhead at games played in open-air sports stadiums.
Answer:a
Explanation:
The Present value of cash Flow increases as the discount rate decreases as there is an inverse relation with discount rate.
Mathematically,

Where
PV=Present value
CF=cash Flow
r=discount rate
t=time
as r decreases PV increases
Answer:
preventing individual states from having their own currencies.
Explanation:
In the text shown above, Madison discourages allowing individual currencies for each state. He believes that this would weaken trade in the union, in addition to creating strife between the trade established between the states, which would be highly damaging to the country as a whole.
According to Madison, the ideal would be for a single currency to be established throughout the union, this could be done with the ratification of the constitution, which would establish the poribition of individual currencies for each state, but a national currency that should be used by everyone in the territory national.