For the 2018 tax season, an Easy Tax office does 5,000 tax returns and the average price per return is $45. In 2019, the office plans to lower its prices by 10% and spend an extra $5,000 on advertising. In 2019, sales volumes are expected to increase by 15%. Variable cost to prepare the return are currently $12 but are expected to increase by 5% in 2019. Fixed costs for the office are currently $25,000 and are not expected to change except for the increase in advertising in 2019. c. 25. Please calculate: a. 2018 Revenue: b.2019 Revenue: c. 2018 Gross Profit: d. 2019 Gross Profit: e. 2018 Operating Income: f. 2019 Operating Income: g. 2018 Breakeven Tax Returns: h. 2019 Breakeven Tax Returns