Please answer both a and b in excel format with formulas. Show Retirement Planning. Lindsay is $25$ years old and has a new job in web development. She wants to make sure that she is financially sound in $30$ years, so she plans to invest the same amount into a retirement account at the end of every year for the next $30$ years. Note that because Lindsay invests at the end of the year, there is no interest earned on the contribution for the year in which she contributes.

a$.$Construct a data table that will show Lindsay the balance of her retirement account for various levels of annual investment and return.

b$.$Develop the two$-$way table for annual investment amounts of $$5,000$ to $$20,000$ in increments of $$1,000$ and for returns of $0\%$ to $12\%$ in increments of $1\%.$me the steps to solve