Write the following key signatures on the staff as indicated below a)B flat major (Treble clef) b)C minor (Bass clef) c)D major (Treble clef) d)F minor(Bass clef)?

a) B flat major (Treble clef):
Key signature: B flat
Notes on staff: B flat, E flat, A flat

b) C minor (Bass clef):
Key signature: B flat, E flat
Notes on staff: C, D, E flat, F, G, A flat, B flat

c) D major (Treble clef):
Key signature: F sharp, C sharp
Notes on staff: D, E, F sharp, G, A, B, C sharp

d) F minor (Bass clef):
Key signature: B flat, E flat, A flat
Notes on staff: F, G, A flat, B flat, C, D, E flat

a) B flat major (Treble clef)
| Ledger Line | Stave | Ledger Line |
|---|---|---|
| | 𝄢 | |
| | 𝄢 | |
| | 𝄢 | |

b) C minor (Bass clef)
| Ledger Line | Stave | Ledger Line |
|---|---|---|
| | | 𝄫
| | 𝄫 | |
| | | 𝄫

c) D major (Treble clef)
| Ledger Line | Stave | Ledger Line |
|---|---|---|
| | ♯️ | |
| | | |

d) F minor (Bass clef)
| Ledger Line | Stave | Ledger Line |
|---|---|---|
| | 𝄫 | |
| 𝄫 | | |
| | 𝄫 | |