(3) MULTIPLE ELEMENT ARRANGEMENTS

PPL bundles the sales of its navigation products with access to the AURA database and map updates. The deferred revenue was calculated using the relative selling price method based on Vendor Specific Objective Evidence (“VSOE”) and recognized over the applicable subscription period, generally two years. A summary of PPL’s deferred revenue at March 31, 2014 and December 31, 2013 follows:


	March 31, 2014		December 31, 2013
	(in thousands)
Deferred revenue—PPL	$	1,119	$	1,110

In addition, the Company’s domestic business sells products bundled with access to the AURA database and mobile navigation products bundled with map updates. Revenues deferred from these arrangements were calculated using the relative fair market value method and recognized over the applicable subscription period, generally two years. A summary of deferred revenue for Cobra U.S. at March 31, 2014 and December 31, 2013 follows:


	March 31, 2014		December 31, 2013
	(in thousands)
Deferred revenue—Cobra U.S.	$	233	$	297