TABLE 16-6
the Number of Cases of Merlot Wine Sold

TABLE 16-6
The number of cases of merlot wine sold by a Paso Robles winery in an 8-year period follows.
$$\begin{array} { c c } \underline { \text { Year } } &\underline { \text { Cases of Wine} } \\1991&270\\1992 & 356 \\1993 & 398 \\1994 & 456 \\1995 & 358 \\1996 & 500 \\1997 & 410 \\1998 & 376\end{array}$$
-Referring to Table 16-6, the Holt-Winters method for forecasting with smoothing constant of 0.2 for both level and trend will be used to forecast the wine sales. The forecast for 1999 is______ .