Am on a time limit please

The following figure is ALU which one of the main components of the CPU. The operation of this ALU is controlled in the Microarchitecture level and determined by several control lines (signals). a) Find out how many operations can be executed using this ALU? (2.5 Marks) b) Find output if the control signals are as follows: F0 = 0, F1 = 0, ENA = 1, ENB = 1, Carry in = 0, INVA = 0. What ALU function will perform and what is the result, If A = 0 and B = 1? (2.5 Marks) Logical unit Carry in INVA DtOutput ENA ENBAD Enable lines Ful adder Decoder Carry out