On April 1, 2020, Gusto Corp. purchases a call option for $500, which gives Gusto the right to buy 1,000 shares of Daria Inc. for $30 each until December 1, 2020. Daria Inc. shares are currently trading for $30. At June 30, 2020, the options are trading at $4,800 and the shares at $32 each. At December 1, 2020, the options expire with no value. The intrinsic value of the option at April 1, 2020 is

a) $500

b) $1,000

c) $0

d) $4,800