Don Carlo is analyzing the portfolio of London Whale, one of his investor clients. Last year the portfolio had a market value of $$6,782,000$ and dollar duration of $$347,100.$ The portfolio's current figures are provided below:

$\backslash$table$[[,$Market Value,Duration,Dollar Duration$],[$Bond $1,$$$4,600,000,5\mathrm{.}0,$$$230,000$