June Stickney purchased an annuity on January $1,2019,$ which, at a $12\%$ annual rate, would yield $$6,000$ each June $30$ and December $31$ for the next $6$ years. What was the cost of the annuity to Stickney?

Round your answer to two decimal places.

$ fill in the blank $4$

Five equal annual contributions are to be made to a fund, with the first deposit on December $31,2019.$ Determine the equal contributions that, if invested at $10\%$ compounded annually, will produce a fund of $$30,000$ on December $31,2024.$

Round your answer to two decimal places.

$ fill in the blank $5$

Beginning on December $31,2020,6$ equal annual withdrawals are to be made. Determine the equal annual withdrawals if $$11,000$ is invested at $10\%$ interest compounded annually on December $31,2019.$

Round your answer to two decimal places.

$ fill in the blank $6$