Table:
| Col. A Description | Col B. Balance at Beginning of Period | Col. C Additions(A) | Col. D Deductions(B) | Col. E Balance at End of Period |
| --- | --- | --- | --- | --- |
| At December 31, 2019 |  |  |  |  |
| Allowances for sales returns and price protection and other allowances | $186 | $11 | $(79) | $118 |
| Valuation allowance for deferred tax assets | $61 | $127 | $(7) | $181 |
| At December 31, 2018 |  |  |  |  |
| Allowances for sales returns and price protection and other allowances | $274 | $24 | $(112) | $186 |
| Valuation allowance for deferred tax assets | $— | $61 | $— | $61 |
| At December 31, 2017 |  |  |  |  |
| Allowances for sales returns and price protection and other allowances | $257 | $83 | $(66) | $274 |
Paragraphs:
VALUATION AND QUALIFYING ACCOUNTS
(Amounts in millions)
(A) Includes increases and reversals of allowances for sales returns, price protection, and valuation allowance for deferred tax assets due to normal reserving terms.
(B) Includes actual write-offs and utilization of allowances for sales returns, price protection, and releases of income tax valuation allowances and foreign currency translation and other adjustments.
Question:
What was the change in Valuation allowance for deferred tax assets between 2018 and 2019?
Answer: $181-$61 = 120