I need help pls!!! The ansers filled in are wrong

Consider a project lasting one year only. The initial outlay is $1,000 and the expected inflow is $1,230. The opportunity cost of capital is r=0.23. The borrowing rate is rD=0.09, and the tax shield per dollar of interest is Tc=0.21. Note: Do not round intermediate calculations. Round your answers to 2 decimal places. Leave no cells blank - be certain to enter " 0 " wherever required. a. What is the project's base-case NPV? b. What is its APV if the firm borrows 33% of the project's required investment? Whispering Pines Incorporated is all-equity-financed. The expected rate of return on the company's shares is 13.25%. a. What is the opportunity cost of capital for an average-risk Whispering Pines investment? Note: Enter your answer as a percent rounded to 2 decimal places. b. Suppose the company issues debt, repurchases shares, and moves to a 28% debt-to-value ratio (VD=0.28). What will be the company's weightedaverage cost of capital at the new capital structure? The borrowing rate is 8.55% and the tax rate is 21%. Note: Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places