Aclothing store used the sign show below to advertise a discount on shirts: discount: buy two shirts get 50% off third shirt ky wants to buy three shirts, which were originally priced $49.96 each. the store will discount the price of the third shirt and then apply a 7.1% tax to the total cost of all three shirts. including the tax, what will the mean cost of each shirt? a)$41.99 b)$42.70 c)$44.59 d)$45.18