the consumption 2005 stock status 2006 and stock excess deficiency amount 2007 or the like is read out of the data storage unit of the machine u03b7 step 1007 the user of the regeneration point u03b4 104 inputs a new delivery schedule at the delivery u03b4 corrected 2004 when pressing the update button the result is reflected so that the new delivery schedule is registered to the data storage unit of machine u03b4 fig2 is a diagram to be displayed after having clicked on a portion of the item a of fig1 a wherein a present time is march 31 fig2 is a diagram to be displayed after clicking on the portion of item a of fig1 b wherein a present time is april 1 fig2 is a screen resulted from execution of the processings of from the step 1008 up to step 1019 due to this the information of the delivery 2003 and the stock status 2006 plus the stock excess deficiency amount 2007 has been modified from the screen contents of fig2 at the time point of march 31 in short at a time point of april 5 twenty five 25 articles are scheduled to be delivered from the regeneration point u03b2 102 such result is reflected thereto fig2 is a diagram to be displayed after having clicked on a black framed portion of fig1 b wherein a present time is april 1 fig2 indicates that execution of the processings up to the step 1019 results in a decrease to less than the alarm capacity on and after april 5 in other words the items b are below a level of 100 pieces that is the alarm capacity of items b on and after april 5 in accordance with the present invention synchronization is established between a.