RGV bank's cash flows from assets $($loans$)$ and liabilities $($deposits$)$ are as follows:

Expected Cash Inflows

from Assets

$$550$

$600$

$700$

Expected Cash Outflows

from Liabilities

$$500$

$650$

$500$

Annual Period in Which Cash Receipts

Are Expected

$1$

$2$

$3$

What is the duration gap?

$+0\mathrm{.}505$

$-1\mathrm{.}075$

$-0\mathrm{.}805$

$+0\mathrm{.}075$

$+1\mathrm{.}605$