How did they calculate Premium?(Step by step how did they calculate it???) The website didn't provide this information (Nasdaq option chain. 143d before expiration date at the time when they did this). What formula has to be used in excel with the given information to find the premium they have and have a graph like theirs?

DATA DESCRIPTION NORDSTROM INC NYSE: WWN Current Stock Price: 20.73 (11/29/22) Chosen Options: \begin{tabular}{ll} \multicolumn{1}{c}{ Call } & \multicolumn{1}{c}{ P } \\ Moneyness: Out of the Money & Moneyness: Near the Money \\ Premium: 1.30 & Premium: 2.17 \\ Strike Price: 22.50 & Strike Price: 17.50 \\ Expiration: 4/21/2023 & Expiration: 4/21/2023 \end{tabular} Credit nasdaq.ers PAYOFF AT EXPIRATION: TABLE PAYOFF AT EXPIRATION: GRAPH