Sherman has budgeted sales for the upcoming quarter as follows:

April: $1,600$ units

May: $1,900$ units

June: $1,750$ units

The desired ending finished goods inventory for each month is one$-$half of next month's budgeted sales. Three pounds of direct material are required for each unit produced. If direct material costs $$5$ per pound, and must be paid for in the month of purchase, the budgeted direct materials purchases $($in dollars$)$ for May are:

$$1,975$

$$9,875$

$$27,750$

$$13,875$