First American Capital Bank in Laguna Beach posted net income of $589,000 last year, contrasted with a loss of $590,000 the previous year. Annual revenue rose 31% to $3.8 million last year from $2.9 million the previous year. For the fourth quarter, the bank reported net income of $101,000, a turn-around from a $283,000 loss in the last quarter of 1987. Quarterly revenue grew 37% to $1 million from $728,000 in the final quarter of 1987. The bank’s assets were $25.4 million at the end of December, a 15% increase over $22 million in assets a year earlier. Total deposits rose 11% to $23 million at the end of the year from $20.7 million a year earlier, while the loan portfolio grew 9% to $18.1 million from $16.6 million a year earlier.