So I got some of these wrong but I'm not sure why. Please explain and answer to them so I can try my best to understand. Thank you!

Kate quither job, where she earned $120,000 per year, to start her own financial consulting firm. She invested $80,000 of her own funds in furniture, computers, and other assets. During the first year of operation, the firm's costs were $70,000 for rent on the office building, SA20,000 for wages and salaries of employees, and $11.000 for suppiles and utilities. The market value of the firm's assets at the end of the year was $60,000, During the year, the firm billed its clients for 2,700 hours at $240 per hour. The typical rate of retum on financial investments in the economy was 8%. Question 15 Homework Answered In the scenario above, Kate's total explicit (accounting) cost was Type your numeric answer and submit 501000 You se correct Answered - Correct 1 attempt left mit Confusing Question 16 Homework - Answered In the scenario above, Kate's cost of capital was Type your numeric answer and submit 64000 You are incorrect Answered - Incorrect O attempts left Pub Confusing Question 17 Homework - Answered In the scenario above, Kate's total opportunity cost was $ Type your numeric answer and submit 20600 You are incorrect Answered-Incorrect attempts tott Question 18 Homework. Unanswered Fill in the Blanks Type your answers in all of the blanks and submit In the scenario above, Kate's economic Type your answer here (profit/loss) was Question 18 Homework. Unanswered Fill in the Blanks Type your answers in all of the blanks and submit In the scenario above, Kate's economic Type your answer here (profit/loss) was $ Type your answer here Unanswered. 2 attempts left Submit Confusing Question 19 Homework. Answered In the scenario above, Kate's normal profit would be $ Type your numeric answer and submit 120000 You are incorrect Answered - Incorrecto attempts left Resubmit Question 20 Homework. Unanswered Fill in the Bianks Type your answers in all of the blanks and submit if Kate earned $125,000 per year at her previous job, her firm's economic Type your answer here (profit/loss) would be s Type your answer here Unanswered . 2 attempts left Submit