b$.$ Consider the following code and determine the

a$)$ redo and undo list contents

$(2$ marks$)$

b$)$ each data item value.

$(2$marks$)$

c$)$ order of transactions for recovery $(1$marks$)$

$\backslash$table$[[\backslash$table$[[$Start$,$ T$0],[$write$,$ T$0,$ A$,7,10)],[$Commit$,$ t$0]],],[\backslash$table$[[$Start$,$ T$1],[$Write$,$ T$1,$ B$,300,200],[$Write$,$ T$1,$ C$,20000,5000]],],[\backslash$table$[[$commit$,$ T$1],[$Start T$3],[$Write T$3,$ XY$,80\mathrm{.}34,738\mathrm{.}38],[$commit T$3]],],[\backslash$table$[[$Start$,$ T$2],[$Write T$2,$p$,1\mathrm{.}3939,3\mathrm{.}4949],[$Abort$,$ T$2]],]]$