The graph below lists the quotes from CBOE on 28 July, 2020, for options on Alibaba stock expiring Sept 4, 2020. Alibaba will not pay a dividend during this period. Show your work on whether we should early exercise the Call option with $247.500 strike price, and the Put option with $255.00.

BABA (ALIBABA GROUP HOLDING LTD - ADR) Jul 28, 2020 @ 13:20 ET (Delayed) BID 251.15 ASK 251.22 VOL 4,673,518 LAST 251.17 CHANGE +0.31 (+0.12%) Filters by: Volume: All Expiration Type: All Options Range: Near the Money Expiration: 2020 September View Chain Options Chain Total Records: 8 Calls 09/04/2020 Puts Last Net Bid Ask Vol IV Delta Gamma Int Strike Last Net Bid Ask Vol IV Delta Gamma Int 13.79 0 14.1 14.6 0 0.3855 0.5725 0.0125 3 11.2 +0.925 10.2 10.75 1 0.3813 -0.4273 0.0127 1 BABA 247.500 BABA 250.000 12.8 -0.65 12.8 13.15 13 0.3831 0.5405 0.0128 25 12.44 +0.99 11.4 12.05 2 0.3816 -0.4597 0.0128 3 12.1 0 11.65 12 0.3835 0.5086 0.0128 7 BABA 252.500 0 0 12.8 13.2 0 0.38 -0.4918 0.0129 0 10.52 0 10.55 11 0 0.3853 0.4772 0.0127 6 BABA 255.000 14.9 +0.825 14.25 14.65 10 0.3825 -0.5233 0.0128 0