heeeeeelp please easy for u???? Digital Logic Design Lab (do this project with circuit maker design (7485 comparator)) Design 8 bit adder/subtractor (a+b, or a-b) with following: specifications: 1. Inputs: tow operands [A,B](8-bit each), operation(0-addition,1-subtraction), load(1-load new data,0-perform operation). 2. Outputs: 9 - bit (8-bit will be stored in A again). 3. Modes of operations: a. Check if B is 0, then the output will be A. b. Check if A is 0, then the output will be B OR B' depend on the operation. c. Otherwise , perform the addition or subtraction. 4. Display result on two seven segment displays + 1 LED. please if u know the answer help me and i will be thankfull i do it dut there is a problem and this is my attachment please do it for me??