Please show the steps and formulas they used to solve iii)

This is the answer.

2: TIME VALUE OF MONEY (iii) Your neighbour, Ronald, who owns a small manufacturing company, urges you to loan him the money. He says he will pay you an increasing stream of interest At the end of the fifth year, you will get back your $9,500. (iii)==FV(yr5)FV(200)+FV(400)+FV(800)+FV(1600)+FV(2,500+9,500)292.82+532.40+968+1,760+12,000$15,553