As of the submission date of this application, DSST purchases gas generants, one of the raw materials of inflators, from DC, DSTA and DSSC, however, DSST plans to start production of gas generants for self-consumption from FYE March 31, 2018 by use of the manufacturing technology and know-how for manufacturing of gas generants, granted by DC. When DSST starts the production of gas generants, while the transaction volume of DSST's purchase transaction of gas generants from the related parties will decline, the royalty payment to DC for the manufacturing technology and know-how utilized in the production of gas generants will be newly added along with the purchase transaction of raw materials of gas generants from the related parties.