please show all work and explain work pls!!!

In a group of 3 or 4 answer the following question. To earn full credit you should show all work in a neat and organized manner. Do each set of calculations clearly with explanation as to why you used the approach you used. The situation: Derek and Julie want to start a business together. Julie is apprenticed to a carpenter and Derek is in business school. They want to start a business making bookshelves in about 5 years. Julle's step dad, Curran, is giving them $5000 to invest in their business. They plan on putting it in a long-term CD that pays 7.5% compounded monthly for the full 5 years. Julie has $500 to invest, and plans on adding $15 weekly, into an account that pays 6% compounded weekly. They have consulted a business manager and learned that they should start off the business with $15,000. How much should Derek invest quarterly into an account that pays 5% compounded quarterly to ensure that they will have $15,000 in 5 years? Rubric for scoring: Total: 130