pls show work! :)

You receive $10,000 now for an investment that will give you cash flows of $1000 in one year, $2000 in two years, $3000 in three years, and $4000 in four years. If the discount rate is 5% then what is the PV of this investment? (Enter the answer in dollar format without $ sign or thousands comma -> 3519.23 and not $3,519.23 or 3,519.23)