Please show work... I'm having a very tough time solving problems listed below.... Thanks in advance

1. You are given an investment to analyze. The cash flows from this investment are

End of year

$1,920

$3,556

$824

$2,338

$1,230

What is the future value of this investment at the end of year five if 7.23 percent per year is the appropriate interest (discount) rate?

Round the answer to two decimal places.

2. You have been offered the opportunity to invest in a project that will pay $2,224 per year at the end of years one through three and $5,628 per year at the end of years four and five. These cash flows will be placed in a saving account that pays 7.06 percent per year. What is the future value of this cash flow pattern at the end of year five?

Round the answer to two decimal places.

3.

You have been offered the opportunity to invest in a project that will pay $2,472 per year at the end of years one through three and $13,634 per year at the end of years four and five. If the appropriate discount rate is 18.18 percent per year, what is the present value of this cash flow pattern?

Round the answer to two decimal places.