Calculate the number of shells required to be purchased in the first quarter.

Sally's Shell Company is preparing its master budget for its first year of business. It expects to sell 500,000 shells in its first month with sales increasing 20% each month. Sally's Shell Company's ending inventory for each month is required to be 30% of next month's expected sales. Calculate the number of shells required to be purchased in the first quarter. 2,475,2002,079,200763,2001,820,000259,200