At the beginning of the year, a manufacturer’s work in progress was valued at \$850. By the end of the year, this had risen to \$1000. What effect did this increase have on the cost of production and the cost of sales?
- ACost of production: decrease; Cost of sales: decrease
- BCost of production: decrease; Cost of sales: increase
- CCost of production: increase; Cost of sales: decrease
- DCost of production: increase; Cost of sales: increase