$4500kg$ per dy of cotton seeds $(16\mathrm{.}5$ mass$\%$ of oil, $79\mathrm{.}5$ mass $\%$inest jolid, and $4$ mass $\%$ hexane$)$ is to be extracted with fresh solvert mixture contains $2150kg$ hexane and $25kg$ oil in a continous counter curcent extractor. The leached solids. are to contain $108kg$ ail. The data are given below

$\backslash$table$[[y,0,0,1,0\mathrm{.}2,0\mathrm{.}3,0\mathrm{.}4,0\mathrm{.}5,0,6,0\mathrm{.}7],[u,2,1,96,1\mathrm{.}92,1\mathrm{.}85,1,8,1\mathrm{.}7,1,62,1,55]]$

o$)$ Determine No

b$)$ Calculate $y_N$

c$)$ Calculate $x_1$

d$)$ Calculate LN

e$)$ Determine mixed steam $(M)$ and its compasition $($XAM$)$

f$)$ Calculate $V_1$

g$)$ Calculate Lo$,Y_0,V_{n+1},x_{n+1},N_N$

h$)$ Calculate the number of stages

$)$ Percent recovery