The full subtractor (also subtracter) is a device that accepts three inputs: 3, y, and b_in and 1. produces two outputs: b_out and d according to the truth table shown in Table1.2. Table 1.2: The truth table of a full subtractor. x y b_in b_out d 0 0 0 0 0 0 0 1 1 1 0 1 0 1 1 0 1 1 0 1 0 0 0 1 1 0 1 0 0 11 0 0 0 1 1 1 1 1 5. . (Mixed-style modeling) (a) Model the first full subtractor obtained from Table 1.2 in structural style and the second one in dataflow style. (b) Model the switching expression baout of full subtractor obtained from Table 1.2 in behavioral style