Choose the product.

-7p ^3(4p ^2 + 3p - 1)

-28p^5 - 21p^4 + 7p^3
28p^6 + 21p^3 - 7p
21p^3 + 8p^2 + 3p^4 - 8p
-21p^5 + 8p^4 - 3p^3