May is the beginning of blockbuster season at the movie theaters. The following chart gives the May box office receipts in the United States (in millions of USD) for 8 years in the 1990s

year	1991	1992	1993	1994	1995	1996	1997	1998
receipts	273	316	297	323	373	453	472	510

Use your model from part a to predict the May box office receipts for the current year

(2022).