the following tables present a reconciliation of the beginning and ending balances of the fair value measurements using significant unobservable inputs ( level 3 ) for 2015 and 2014 , respectively: .

Level 3
Balance as of January 1, 2015
$127
Actual return on assets
12
Purchases, issuances and settlements, net
(3)
Balance as of December 31, 2015
$136

purchases , issuances and settlements , net .
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76 balance as of december 31 , 2014 .
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$ 127 the company 2019s other postretirement benefit plans are partially funded and the assets are held under various trusts .
the investments and risk mitigation strategies for the plans are tailored specifically for each trust .
in setting new strategic asset mixes , consideration is given to the likelihood that the selected asset allocation will effectively fund the projected plan liabilities and the risk tolerance of the company .
the company periodically updates the long-term , strategic asset allocations and uses various analytics to determine the optimal asset allocation .
considerations include plan liability characteristics , liquidity characteristics , funding requirements , expected rates of return and the distribution of returns .
in june 2012 , the company implemented a de-risking strategy for the medical bargaining trust within the plan to minimize volatility .
as part of the de-risking strategy , the company revised the asset allocations to increase the matching characteristics of assets relative to liabilities .
the initial de-risking asset allocation for the plan was 60% ( 60 % ) return-generating assets and 40% ( 40 % ) liability-driven assets .
the investment strategies and policies for the plan reflect a balance of liability driven and return-generating considerations .
the objective of minimizing the volatility of assets relative to liabilities is addressed primarily through asset 2014liability matching , asset diversification and hedging .
the fixed income target asset allocation matches the bond-like and long-dated nature of the postretirement liabilities .
assets are broadly diversified within asset classes to achieve risk-adjusted returns that in total lower asset volatility relative to the liabilities .
the company assesses the investment strategy regularly to ensure actual allocations are in line with target allocations as appropriate .
strategies to address the goal of ensuring sufficient assets to pay benefits include target allocations to a broad array of asset classes and , within asset classes strategies are employed to provide adequate returns , diversification and liquidity .
the assets of the company 2019s other trusts , within the other postretirement benefit plans , have been primarily invested in equities and fixed income funds .
the assets under the various other postretirement benefit trusts are invested differently based on the assets and liabilities of each trust .
the obligations of the other postretirement benefit plans are dominated by obligations for the medical bargaining trust .
thirty-nine percent and four percent of the total postretirement plan benefit obligations are related to the medical non-bargaining and life insurance trusts , respectively .
because expected benefit payments related to the benefit obligations are so far into the future , and the size of the medical non-bargaining and life insurance trusts 2019 obligations are large compared to each trusts 2019 assets , the investment strategy is to allocate a significant portion of the assets 2019 investment to equities , which the company believes will provide the highest long-term return and improve the funding ratio .
the company engages third party investment managers for all invested assets .
managers are not permitted to invest outside of the asset class ( e.g .
fixed income , equity , alternatives ) or strategy for which they have been appointed .
investment management agreements and recurring performance and attribution analysis are used as tools to ensure investment managers invest solely within the investment strategy they have been provided .
futures and options may be used to adjust portfolio duration to align with a plan 2019s targeted investment policy. .

Question: Analyse this data from a financial earnings document. what was the growth rate in the account balance 2015
Choices:
0.97638
0.07087
-118
0.00071
0.06618
Correct choice index: 1