Claudia has a net income from her marketing business in 2019 of $100,000. Assuming Claudia has no other sources of taxable income in any year, her marketing business produced taxable income and losses from the previous 4 years as follows: 2015: $ (10,000); 2016: $60,000; 2017: ($24,000); 2018: $(200,000). How much of the 2018 net operating loss can be used to offset Claudia’s 2019 taxable income?