Dave$$ Brown's cumulative earnings are$$ $$90,000,$ and his gross pay for the week is$$ $$6,700.$ If the FICA rates$$ are: OASDI$6\mathrm{.}2\%$ on a limit of$$ $$128,400$ and Medicare is$1\mathrm{.}45\%,$ what are his FICAminusOASDI and FICAminusMedicare taxes for the$$ week?