Answer:
The unit costs are $0.77, $0.62 and $0.27 respectively.
Explanation:
The unit price is simply the cost of the items divided by the amount of the items that are included. So, just take the cost and divide it.
$12.29/16 = $0.77 per unit
$19.98/32 = $0.62 per unit
$34.99/128 = $0.27 per unit