5.Data from the duplicating department of Fastcopy Ltd for the 5 months are as follow: Month #Copies Dept Costs January 14,800 $12,830 February 16,000 13,930 March 20,000 17,300 April 23,600 19,430 May 18,500 15,800 What are the expected duplicating department costs for June if 19,000 copies are expected to be made? a)$15,858 b)$15,980 c)$16,216 d)$18,580