The "Hope Foundation," an NGO, is reconciling its bank statement for the month of September.

The organization's bank account in its records indicates a balance of NOK $851$

While the bank statement shows a balance of NOK $2\mathrm{.}180$

During the reconciliation process, they discover the following:

Outstanding cheques $/$ Chaeques not processed by bank total NOK $840.$

A donation from donor of NOK $1,200$ was received but has not yet been recorded in the organization's books.

Bank service charges of NOK $30.$

An interest income of NOK $19$ was earned on the account.

A grant payment of NOK $500$ was deposited by the bank, but the organization has not recorded it$.$

What will be the adjusted balance of bank account according to the bank reconciliation for the "Hope Foundation"?

$($a$)$ NOK $1\mathrm{.}670$

$($b$)$ NOK $1\mathrm{.}790$

$($c$)$ NOK $1\mathrm{.}340$

$($d$)$ NOK $1\mathrm{.}840$