'integer', 'start_year' => 'integer', 'end_year' => 'integer', 'start_month' => 'integer', 'end_month' => 'integer', 'total_base_earnings' => 'decimal:2', 'total_payout' => 'decimal:2', 'employee_count' => 'integer', ]; public function branch() { return $this->belongsTo(Branch::class); } public function creator() { return $this->belongsTo(User::class, 'created_by'); } public function entries() { return $this->hasMany(ThirteenthMonthEntry::class); } }