On $25$th April, $2007$ the premises of $xZ$ Ltd$.$ were destroyed by fire, but sufficient records were saved from which the following particulars were ascertained:

$\backslash$table$[[,01\mathrm{.}01\mathrm{.}2006$ to$,01\mathrm{.}01\mathrm{.}2007$ to$],[,31\mathrm{.}12\mathrm{.}2006(),24\mathrm{.}04\mathrm{.}2007()$