Create a new layer and use on it the
Brush Tool (B) (
Opacity of
20%) to draw one more highlight on the apple, which color is white too.
Combine in a group all the layers composing the apple (press
Ctrl button to mark out the corresponding layers and hold on the left mouse’s button while taking down the marked layers on
Create a new group selection). Make a copy of the recently made group and choose the
Free Transform solution to turn over the copy and place it the same way as it is represented below:
The
Eraser Tool (E) should be applied on the made reflection (
Opacity of
30%) to erase the same part on the reflection as it is indicated next image:
Create a new layer and use on it the earlier indicated standard brush of black color (
Opacity of
20%) for drawing the shadow under the apple. This last layer should be placed under the layers, composing the apple, but upper than the reflection’s layer (on the layers’ palette).
Make a copy of the earlier made shadow’s layer and use the
Free Transform option to place the copy lower, applying for the copy the next demonstrated layer’s parameters:
Fill 72%
Blending Options>Color Overlay 
The apple is finished!
View full size
here.
