By the end of December, Jones Company has completed work of $2,300. Jones company has neither billed the clients nor recorded any of the revenue. If the appropriate adjusting entry is not made at the end of the year, what will be the effect on: (a) Income statement accounts (overstated, understated, or no effect)? (b) Net income (overstated, understated, or no effect)? (c) Balance sheet accounts (overstated, understated, or no effect)