Give an explanation of the result stored in finalVal. Why does this location contain the value it does, and not the correct sum of the three numbers?

EOR DUSBox u.14, pu speed: max 10oo cycies, rrameskip , Program: CV File Edit Search Run Data Options Calls Windows Help [21 val1 = 4847 val2 43981 va13 2470 finalVal watch 71reg 862 131 13: finalUal WORD? 14: 15: main PROC SP 1000 BP = 0000 source .code mov ax,Odata get location of programfts variables mov ds,ax and initialize data segment register mov ax,vail ; ax = add ax , va 12 ; ax BEBCh add ax , va 13 ; ax = FFFFh mov finalUal,ax store the result DS0606 ES 05F5 SS = 0607 CS0605 17: 18: 20: 21: 22: 23: FL 0292 exit NU UP EI NG NZ AC PO NC 191 command U1053 Warning: TOOLS. INI not found DEC DOSBox 0.74, Cpu speed: max 100% cycles, Frameskip 0, Program: File Edit Search Run Data Options Calls CV Windows Help watch -I7lreg [21 va 11 = 4847 val2 43981 va 13 = 2470 fina lua 1 = 51298 BX = 0000 CX0000 131 21: mov finalVa1,axstore t 22: SP = 1000 BP0000 source exit 24: main ENDP 25 END ma in DS0606 ES05F5 SS = 0607 CS0605 IP 013 FL = 0292 13 NU UP EI NG NZ AC PO NC =[9] command 1 U1053 Warning: TOOLS.INI not found EOR DUSBox u.14, pu speed: max 10oo cycies, rrameskip , Program: CV File Edit Search Run Data Options Calls Windows Help [21 val1 = 4847 val2 43981 va13 2470 finalVal watch 71reg 862 131 13: finalUal WORD? 14: 15: main PROC SP 1000 BP = 0000 source .code mov ax,Odata get location of programfts variables mov ds,ax and initialize data segment register mov ax,vail ; ax = add ax , va 12 ; ax BEBCh add ax , va 13 ; ax = FFFFh mov finalUal,ax store the result DS0606 ES 05F5 SS = 0607 CS0605 17: 18: 20: 21: 22: 23: FL 0292 exit NU UP EI NG NZ AC PO NC 191 command U1053 Warning: TOOLS. INI not found DEC DOSBox 0.74, Cpu speed: max 100% cycles, Frameskip 0, Program: File Edit Search Run Data Options Calls CV Windows Help watch -I7lreg [21 va 11 = 4847 val2 43981 va 13 = 2470 fina lua 1 = 51298 BX = 0000 CX0000 131 21: mov finalVa1,axstore t 22: SP = 1000 BP0000 source exit 24: main ENDP 25 END ma in DS0606 ES05F5 SS = 0607 CS0605 IP 013 FL = 0292 13 NU UP EI NG NZ AC PO NC =[9] command 1 U1053 Warning: TOOLS.INI not found