Skin gets its color primarily from melanin, a pigment produced by melanocyte cells in the skin. The darker the skin, the more melanin it contains [source: MedicineNet ]. Freckles and beauty marks likewise indicate a higher concentration of the pigment in certain areas. Melanin also performs another vital function: It protects the skin against harmful UV rays.
APB Opinion No. 25, Accounting for Stock Issued to Employees, specifies that the measurement date for determining compensation cost in stock option, purchase, and award plans is the first date on which are known both (a) the number of shares that an individual employee is entitled to receive and (b) the option or purchase price, if any.
You can view more details on each measurement unit: month or week. The SI base unit for time is the second. 1 second is equal to 3.80264862082E-7 month, or 1.65343915344E-6 week. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between months and weeks.