how do you calculate payment at LTD ? in the second picture you will see my prof got 73 but how ? i can't figure it out

Toul operating rescue Cost of goods sold Selling, general, and administrative expenses Depreciation Operating income Other income Earnings before interest and taxes (EBIT) Interest expense Pretax income Tues Current: 515 Deferred: 9 Na income Addition to retained earnings: Dividends $2,262 2018 2019 1,715 2018 2019 Curst asses: 327 Curat licities Cast and equivalents $157 8198 Accounts payable 90 9455 5498 Accounts receivable 270224 $130 Investories 29 280 29 Total cual abilities $159 8455 3190 Total cual assets $1073761 49 $110 24 Fised as Deferred tres S14 S13 Property, plant, and equipment $1274 $143 Long-term dele Less sccumulated depreciation (960_1550 Total lugteliabilities $5623584 586 Ne property, plast , and equipment $81483 $18 tagble 21sets and others 221 245 Stockholders oquity Toalfied assets $10S SL118 Preferred stock 899839 Coman stock $1 perche 325 Capital samples 327341 Acomulatodranitel eanings 317390 Lesstresurystok 2. Totaltung Tales SISTE Tullibilities and admilks'equy S2 8.89 2019 McGraw Hill Education Bond 234 Hows Interest - Retirement of loan ( selling boad 5-73 inflows S Borrow payment Retiren at of L.T. DF33 Proceeds for LTD salt 865 & Interest paid 9 v paynatas LTO 73 Proceeds of Crosle 8603 -19 (13) +342 36 Total payment to Creditos of increase in LTO (13) Reci Interat Eup & out flow 49 Chan Toul operating rescue Cost of goods sold Selling, general, and administrative expenses Depreciation Operating income Other income Earnings before interest and taxes (EBIT) Interest expense Pretax income Tues Current: 515 Deferred: 9 Na income Addition to retained earnings: Dividends $2,262 2018 2019 1,715 2018 2019 Curst asses: 327 Curat licities Cast and equivalents $157 8198 Accounts payable 90 9455 5498 Accounts receivable 270224 $130 Investories 29 280 29 Total cual abilities $159 8455 3190 Total cual assets $1073761 49 $110 24 Fised as Deferred tres S14 S13 Property, plant, and equipment $1274 $143 Long-term dele Less sccumulated depreciation (960_1550 Total lugteliabilities $5623584 586 Ne property, plast , and equipment $81483 $18 tagble 21sets and others 221 245 Stockholders oquity Toalfied assets $10S SL118 Preferred stock 899839 Coman stock $1 perche 325 Capital samples 327341 Acomulatodranitel eanings 317390 Lesstresurystok 2. Totaltung Tales SISTE Tullibilities and admilks'equy S2 8.89 2019 McGraw Hill Education Bond 234 Hows Interest - Retirement of loan ( selling boad 5-73 inflows S Borrow payment Retiren at of L.T. DF33 Proceeds for LTD salt 865 & Interest paid 9 v paynatas LTO 73 Proceeds of Crosle 8603 -19 (13) +342 36 Total payment to Creditos of increase in LTO (13) Reci Interat Eup & out flow 49 Chan