Relay Company estimated that annual warranty expense at 2% of annual net sales. The net sales for 2021 amounted to P4,000,000. On January 1, 2021, the warranty liability was P60,000 and the warranty payments during 2021 totaled P50,000. What is the warranty liability on December 31, 2021? P10,000 P90,000 P70,000 P80,000