You and k−1 friends want to buy different pieces of candy. candy piece costs . the candy shop owner is greedy and wants to maximize his number of new customers, so he increases the sale price of the candy for repeated customers; more precisely, if a customer has already purchased x pieces of candy, then the cost of candy is ∗(x+1) . find and print the minimum cost for your group to purchase all pieces of candy.

being born in poverty would limit the people's chances, opportunities and benefits.

this happen because of several things, such as:

- poor people tend to gain less access to good education and nutrition. this mean that their chance to obtain high paying jobs would also be limited.

- poor people tend to socialize with other poor people while the rich tend to socialize with other rich people. this means that simply throguh their social circle, rich people would have more business opportunities compared to the poor people.

- rich people tend to have more capital in their disposal. this would benefit them in business since it is far easier for them to fund their business operation compared to poor people.