Consider Derek's budget information: materials to be used totals $64,750; direct labor totals $198,400; factory overhead totals $394,800; work in process inventory January 1, $189,100; and work in progress inventory on December 31, $197,600. What is the budgeted cost of goods manufactured for the year?

a. $649,450

b. $657,950

c. $197,600

d. $1,044,650