B3. On 21 August 2017, Martha bought 5000 shares in Orb Casinos Ltd (OCL) at $2.00 per share. On 12 December 2017, she bought 2000 shares in Murphy's Hamburgers Ltd (MHL) at $3.00 per share. On 3 November 2018 she sold her OCL shares for $3.00 per share. On 4 November 2018 she sold her MHL shares for $4.50 per share. Her marginal tax rate is 32.5% and her average tax rate is 18.4%. The tax payable on these transactions is closest to: eos $1,012.00 $1,300.00 $1,787.50 $2,600.00