D Company has provided the following information for use in preparing flexible budgets. At the 26,000 unit level of production and sales, the per unit variable costs for materials, labor, and overhead are $.15 and $.20 and $.10 respectively. At the 26,000 unit level of production and sales, fixed costs for supervision and rent are $1,800 and $1,100 respectively. Assuming the relevant range for the given fixed costs is between 25,000 to 30,000 units of production, how much would materials cost and rent cost be in a flexible budget at the 28,000 unit level?

Group of answer choices

A) $5,600 materials and $1,800 rent

B) $12,600 materials and $2,900 rent

C) $3,900 materials and $1,100 rent

D) $4,200 materials and $1,100 rent

E) $4,200 materials and $1,800 rent