1. Suppose Sarah had the different transaction volume from January to May with Giant Tiger (See Table 6). The gross contribution is 0.30 and discount rate is 0.03. Suppose current month is June. Please answer the following questions.

   Table 6. Past Transaction

   Gross contribution		0.30
   Discount rate		0.03
   	Jan	Feb	March	April	May
   $ Amount	600	800	0	0	0
   GC		A
   PCV	B

   16) The value of B in Table 6 is:

   		208.67
   		155.27
   		214.93
   		180.00
   		202.24