From the given table the total balance is given by: $1,998.60 + $2,714.82 = $4,713.42
From the given table the total creadit limit is given by $5,500 + $8,000 = $13,500
Therefore, Tamina's overall debt to credit ratio is given by $4,713.42 / $13,500 = 0.3491 = 34.91%.