Puzzle 4

This one's a bit simpler :)

Rules are simple:

You need to fill the blank boxes with arrows.
Conditions are:

• All arrows should point towards the grid.
• The indexes written in the grid shows the total number of arrows pointing to them.
• The specified arrow directions are E(east), SE(south-east), S(south), SW(south-west), W(west), NW(north-west), N(north), NE(north-east).