托管費用對比      
 Vendor comparision with cost calculation for 1 month tape storage and delivery/pickup services     
 Vendor name OSG Data Bank Iron Mountain  
 Base number of tapes 10 5 10  
 Storage location Warsaw Warsaw Warsaw  
 Registration (1-st month only) [PLN] 0 0 55  
 Media storage (min. monthly fee) [PLN] 1140 130 400  
 Scheduled delivery [PLN] 0 1400 1520  
 Total costs [PLN] 1140 1530 1975  
 Notes: delivery once a week     
      
      
 Vendor comparision with cost calculation for 1 month tape storage and delivery/pickup services     
 Vendor name OSG Data Bank Iron Mountain  
 Base number of tapes 10 5 10  
 Storage location Warsaw Warsaw Warsaw  
 Registration (1-st month only) [PLN] 0 0 55  
 Media storage (min. monthly fee) [PLN] 0 130 400  
 Scheduled delivery [PLN] 3040 2800 3040  
 Total costs [PLN] 3040 2930 3495  
 Notes: delivery twice a week     
      
 備註：                     
 1.    OSG   工作日每次取存需380PLN ,  每週兩次計算，每月金額： 380*8= 3040PLN/月       
 2.    Data Bank     每月托管費100PLN,  保險箱租金30PLN,  運輸每公里1.5PLN,  每週兩次計算，每月需2930PLN .       
 3.    Iron Mountain     每月托管費最低 400PLN ,    取放一次380PLN,   每週兩次計算，每月需400+380*8=3440PLN