Archive for the ‘Financial Functions’ Category.

Investing in Lean

I’m a big fan of the Toyota Production System. I was thinking that I should find a mutual fund that invests in lean companies, but I couldn’t find one. I searched for “best lean companies” to see if I could get a list, and found Who Are the Best Lean Companies at leanblog.org, [...]

Retiring at 40

The other day J-Walk posted How to Retire at Age 40:
If you were to take 20% of your annual income starting at age 20 and put it in a fund following the S&P 500 Index ($INX), that fund continued to grow at the long-term historical rate (12%) and you received a 4% raise each year, [...]

The Opportunity Cost of Fireworks

I’ve never bought fireworks in my life. Where I grew up they were illegal (although that seemed to deter few people) and my dad would never allow it. Yesterday, my son bought fireworks for the first time in his short life. I guess I’m less of a hard ass than my dad. [...]

Analyzing Vendor Discounts

You may have received an invoice from a vendor that had payment terms that offered you a choice. An example of such a payment term is 2/10 Net 30. This means that if you pay the invoice within 10 days, you can take 2% off of the invoice amount. Otherwise the entire [...]

Charitable Contributions and IRR

I need some help from the math majors out there. The question of the week a couple of weeks ago concerned making charitable contributions and taking the tax deductions. For those not familiar with the US tax code, money paid to certain charities is deductible for income tax purposes, generally within the year [...]