TAX CLASS. Identify tax issues.

Identify at least two main tax issues suggested by each of the scenarios described below:
Wheelie Corporation is a calendar year taxpayer. For the past nine years its taxable income has been stable, averaging $2 million per year. Through November of this year, its taxable income was $1.81 million. In April, June and September, Wheelie made a $175,000 installment payment of tax. In December, it recognized a $5 million gain on the sale of investment land.
Aloha Inc. sells timeshares in Hawaii. Gerry buys timeshare from Aloha Inc,. He agrees to pay $10,000 down and Aloha Inc. will finance a seven year note for the balance of the purchase price at the current market rate of interest. Identify the issues for Aloha Inc.