单选题A current System z customer has 10,000 IBM 3490 tape cartridges, most of which are only 10%utilized, in their tape shelf storage adjacent to the computer room. The customer currently has nospace for the new DS8700 that is on order. What should the IBM 

A current System z customer has 10,000 IBM 3490 tape cartridges, most of which are only 10%utilized, in their tape shelf storage adjacent to the computer room. The customer currently has nospace for the new DS8700 that is on order. What should the IBM storage specialist propose as asolution?（）