Leverage and return on equity

You are a private equity investor completing the acquisition of a company and are currently determining the optimal amount of debt and equity you will use to finance the company.

The purchase price of the company is $$100.$ You plan to resell the company in a year. Its value then is uncertain, but you expect it to be $$120.$

After talking to prospective debt investors and analyzing the risk of the company's assets and cash flow you will use to repay them, you have summarized your debt options as:

$\backslash$table$[[,$Option #$1$ Option #$2$ Option #$3],[$Debt amount,$$50,$$$75,$$$90$