A national fast food company has just analyzed the effect of the latest sales promotion. it had determined that the sales decay for its milkshakes is given by S=380,000e^-0.6x, where S is the weekly sales and x is the number of weeks that have passed since the end of the sales promotion. A) what will the sales 2 weeks after the end of the promotion? $
B) How many weeks after the end of the promotion will sales drop below $15,000, if no new campaign is started? weeks.