Endgame Study 2:-Opposite Color Bishops (B)

If you studied Endgame Study 1:-Opposite Color Bishops (A)
The next one will be easy
Black to play , how do you assess this position win for White or draw?

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[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Endgame "] [Black "Opposite color bishops "] [Result "*"] [SetUp "1"] [FEN "8/3p4/2k5/5b2/2P5/1PKP2B1/8/8 b - - 0 1"] [PlyCount "21"] 1... d5 2. b4 dxc4 3. dxc4 Be6 4. b5+ Kb7 5. Kb4 Bf7 {[%cal Gf7e8,Ge8c6,Gf7c4]} (5... Bg8 $2 6. c5 Bd5 {[%cal Gb4c3,Gc3e5,Ge5d6]}) 6. c5 {[%cal Gc5c6]} Be8 7. Bf4 (7. b6 Bc6) 7... Bd7 {[%csl Gc6]} 8. Kc4 Be8 9. Kb4 Bd7 10. c6+ Bxc6 11. bxc6+ Kxc6 *