Production and Sales Estimates for May for the Hudson Co

Production and sales estimates for May for the Hudson Co. are as follows: $\begin{array}{ll}17,500& \text { Estimated inventory (units) , May 1}\\19,300&\text {Desired inventory (unit) , May 31 }\\&\text {Expected sales volume (units) :}\\4,200 & \text { Area W } \\7,000 & \text { AreaX } \\9,000 & \text { Area Y } \\\$ 15 & \text { Unit sales price }\end{array}$ The number of units expected to be sold in May is:

A) 22,000.
B) 18,400.
C) 23,800.
D) 20,200.