We worked on his homework including calculating lease terms and options, purchase options, and cash flow; calculating the conversion pricing for convertible bonds.
We did problems involving determining whether you should borrow or pay cash for an asset, calculating the down payment of the loan, the monthly payment, the cash discount price, the opportunity cost of paying cash give a savings the savings rate, and the cost of the cash alternative.
We worked on his discussion involving the cyber-currency Bitcoin including whether or not it meets the criteria of a currency, what are the advantages and disadvantages of a cyber-currency, and whether or not it is a good investment.
We worked on his homework including calculating the approximate cost of giving up a cash discount, the savings from paying employees biweekly instead of weekly, the effective annual rates for taking loans with different terms.
We completed his finance homework including accounts receivable changes with bad debts, cost of the marginal bad debts, and analyzing the ramifications of changing various parameters.