Untitled

flowchart TD
    %% Main Process Flow
    Start([Start]) --> A[Sales Department Receives Purchase Order]
    A --> B{Customer in Database?}
    
    %% New Customer Process
    B -->|No| C[Customer Registration Process]
    C --> C1[Collect Company Details]
    C1 --> C2[Credit Evaluation]
    C2 --> C3{Credit Approval?}
    C3 -->|No| C4[Require Advance Payment]
    C3 -->|Yes| D
    C4 --> D

    %% Existing Customer Path
    B -->|Yes| D[Verify Order Details]
    
    %% Order Processing
    D --> E[Check Product Availability]
    E --> F{Items in Stock?}
    F -->|No| G[Notify Customer of Delay]
    G --> H[Schedule Production]
    H --> I
    F -->|Yes| I[Create Sales Order]
    
    %% Order Fulfillment
    I --> J[Warehouse Prepares Order]
    J --> K[Quality Control Check]
    K --> L[Issue Sales Invoice]
    L --> M[Ship Products to Customer]
    M --> N[Customer Receives Order]
    
    %% Payment Processing
    N --> O{Payment Terms}
    O -->|Cash Sale| P[Immediate Payment Processing]
    O -->|Credit n30| Q[Monitor Payment Due Date]
    
    P --> R[Cashier Records Payment]
    Q --> S{Payment Within Terms?}
    S -->|Yes| T[Apply 2% Discount]
    S -->|No| U[Process Full Payment]
    
    T --> V[Update Accounting Records]
    U --> V
    R --> V
    
    %% Returns Processing
    N --> W{Product Issues?}
    W -->|Yes| X[Process Return Request]
    X --> Y[Inspect Returned Items]
    Y --> Z{Return Approved?}
    Z -->|Yes| AA[Issue Credit/Replacement]
    Z -->|No| AB[Notify Customer]
    
    AA --> V
    AB --> Final
    W -->|No| Final
    
    %% Financial Reporting
    V --> AC[Generate Financial Reports]
    AC --> AD[Review Collection Performance]
    AD --> AE[Remittance to Accounting]
    AE --> Final([End])
    
    %% Key Subprocesses
    subgraph "Credit Evaluation Process"
    direction TB
    CE1[Verify Business Documents] --> CE2[Check Payment History]
    CE2 --> CE3[Assess Order Value]
    CE3 --> CE4[Set Credit Limit]
    end
    
    subgraph "Financial Reporting Process"
    direction TB
    FR1[Daily Sales Report] --> FR2[Accounts Receivable Aging]
    FR2 --> FR3[Collection Efficiency Report]
    FR3 --> FR4[Revenue Analysis]
    end