A consumer has ​$140 in monthly income to be spent on two goods Z and B. The price of good Z ​(Pz​) is ​$6.00. The Marginal Rate of Transformation​ (MRT) is equal to minus2. That is 2 units of good B can be traded for 1 unit of good Z. What is the price of good​ B? ​$ nothing ​(round your answer to the nearest ​penny). How many units of good B can be purchased if all income is used for that​ good? nothing units ​(round your answer to two decimal ​places).