Blossom's Flowers Purchases Roses for Sale for Valentine's Day

Blossom's Flowers purchases roses for sale for Valentine's Day.The roses are purchased for $10 a
Dozen and are sold for $20 a dozen.Any roses not sold on Valentine's Day can be sold for $5 per
Dozen.The owner will purchase 1 of 3 amounts of roses for Valentine's Day: 100, 200, or 400 dozen
Roses.Given 0.2, 0.4, and 0.4 are the probabilities for the sale of 100, 200, or 400 dozen roses,
Respectively, then the optimal EOL for buying roses is

A) $700
B) $900
C) $1,500
D) $1,600