For each of the following situations, compute the missing amount.

$\backslash$table$[[$a$.$ Assets,$$,70,900,-,$Liabilities,$$,14,800,=,$Net worth,$],[$b$.$ Assets,$$,89,000,-,$Liabilities,,,$=,$Net warth,$25,800],[$C$.$ Assets,$$,36,880,-,$Liabilities,$$,13,615,=,$Nat worth,$-1],[$d$.$ Assets,,,$-,$Liabilities,$$,40,845,=,$Net worth,$58,104]]$