please help me with the misisng information in my answer: four independent situations are described below. Each involves future deductible amounts and$/$or future taxable amounts produced by temporary differences:

The enacted tax rate is $25\%.$

Required:

For each situation, determine the following:

Note: Enter your answers in thousands $($i$.$e$.,55,000$ should be entered as $55).$ Negative amounts should be indicated by a minus sign. Leave no cell blank, enter $"0"$ wherever applicable.

Answer is not complete.

$\backslash$table$[[,$Situation$],[1,2,3,4],[$a$.$ Income tax payable currently.,$$,21,$$$,54,$$$,49(,$$$,65],[$b$.$ Deferred tax asset$-$ending balance.,$$,4(,,,$$$,5,$$$,5],[$c$.$ Deferred tax asset$-$change.,$$,2(,,,$$$,(4)\sqrt[\phantom{2}]{?},$$$,10],[$d$.$ Deferred tax liability$-$ending balance.,,,$$,4(,$$$,4(,$$$,7-],[$e$.$ Deferred tax liability$-$change.,,,$$,(4),$$$,22,$$$,7\%],[$f$.$ Income tax expense.,$$,19,$$$,50,$$$,55,$$$,71]]$