<prompt> Translate the following text to SwahiliCooper, Robin and Kaplan, Robert S., Cost and Using Integrated Cost Systems to Drive Profitability and Performance, Harvard Business School Press, 1998.  <response>: Kupitia Robert S. Cooper na Robin Kaplan, Gharama na Matumizi ya Mifumo ya Gharama ya Pamoja ili Kuendesha Faida na Utendaji, Harvard Business School Press, 1998. 