in case you dont want to read the answer is B
They are both Simple mechanics
Mass is the amount of particles present and weight is the amount of gravitational force experienced by a body. Since gravity changes from one celestial object to another, weight of a body changes accordingly. But it's mass remains constant since the amount of particles present in that object doesn't change anywhere
Gross profit is the money left over after subtracting the cost of goods and revenue, and net profit is 'the bottom line' after paying all business expenses. Bet profit is more important to consider because if you have a net profit of 0, your company is still successful.
