please help b,d,e,f,g

Teddy Bower is an outdoor clothing and accessories chain that purchases a line of parkas at $10 each from its Asian supplier, TeddySports. Unfortunately, at the time of the order placement, demand is still uncertain: Teddy Bower forecasts that its demand is normally distributed with a mean of 1,900 and a standard deviation of 1,100. Teddy Bower sells these parkas at $24 each. Unsold