$1.$ Ambrosy Industries has the following activity and cost data for the past year:

Machine Hours R&M Costs

$397$ $$12,250$

$44313,072$

$66016,250$

$36012,050$

$47917,798$

$60015,687$

$46313,776$

$61815,993$

$64116,847$

$43012,911$

$47013,271$

$63016,067$

$59015,914$

What will the total cost be when $615$ units are produced?

A$)$ $$7,010$

B$)$ $$10,455$

C$)$ $$15,620$

D$)$ $$16,385$