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Unearned revenue is the money or revenue earned for the product or the service that is not yet sold or provided to the customer. Hence, it comes under liabilities.

As water costs free, water sold at cost price of milk gives the profit.

Required profit % = 5/20 x 100 = 5 x 5 = 25%.

We know that,

P.W = 100×T.D/R×T

= 100×168/14×2

P.W = 600.

Now, required Sum = (P.W. + T.D.)

= Rs. (600 + 168)

= Rs. 768.

General Dwight D. Eisenhower commanded U.S troops in Europe in 1942.

Political culture refers to widely shared values and beliefs about who should govern, for what ends, and by what means.

In physics, the dynamo theory proposes a mechanism by which a celestial body such as Earth or a star generates a magnetic field.

Earth's crust core contains a large amount of iron and nickel is the evidence of the dynamo theory.

A government ruled by religiuos leaders is Theocracy. A theocracy is ruled by religious leaders who claim to act with divine authority.

Given that, upstream distance = 7 kms

Upstream speed = 7/42 x 60 = 10 kms

Speed of the stream = 3 kmph

Let speed in still water = M kmph, then

Upstream speed = M - 3 = 10

=> M = 13 kmph.