During 2023 , Gum Co. introduced a new product carrying a two-year assurance-type warranty against defects. Gum Co. uses the expense warranty approach. The estimated warranty costs related to dollar sales are 6%. Sales and actual warranty expenditures for the years ended December 31, 2023 and 2024 are as follows: What amount should Gum report as warranty expense on its 2024 income statement? Select one: a. $2,250 b. $7,500 c. $6,750 d. $14,250 e. $15,000