i need the solution in steps

(b) The 16 kits of the input ate first vereganierd by the following instial prrmetation (I'). 7. 13+9 is 5 in 1 7.14710 is 5,11,2 (a) Write down the jermuted lipyat. (ii) Compute the inverwe fermutation naimerly (c) Lat the 15 bite of the permoted lingut berk conaist of an \& lut bbock L. followeved by an 8 bit block B. The internal structuev of the eipter function f (me f in Fin1.1) in given in Fisi: 2. E denotes an expaneiot function which takos a bock of 8 liste an inpat and yirble a tikek of 12 bits me outpat acroenling to the siven talk (The find two hits of oatput are the tats in jkeition 8 and 2 and so ce.) Write down the expaaded caiput (d) 5 dreote the midetitution function which takein a block of 3 thits atul yirhbe a biuck of 2 batk. Fanction is given with a table which contains the decimal repecerretatione, (ex: (101)2 - by of frem the talile, 5 currospectib to 3 which is (111)2) Write down the outpuit bit styornce with a kiven kablocy KI=101101100010 \begin{tabular}{|l|l|l|l|l|l|l|} \hline 0 & 1 & 2 & 3 & 4 & 5 & 6 \\ \hline 1 & 3 & 2 & 1 & 0 & 3 & 0 \\ \hline \end{tabular} (v) Writn down L.1 and R1 as a bit mequener. (f) Coealine LI and RI inte 16-ldits hit moquetan and apply the ibvene Peranutation