'date', 'egg_quantity' => 'decimal:2', 'unit_price' => 'integer', 'total_amount' => 'decimal:2', 'discount' => 'decimal:2', ]; } public function customer(): BelongsTo { return $this->belongsTo(Customer::class); } public function unit(): BelongsTo { return $this->belongsTo(Unit::class); } }