M Studios (Ontario) Had Retail Sales of $288,528

Multiple Choice

M Studios (Ontario) had retail sales of $288,528.55, including PST and GST, for the last quarter. In the same period M Studios purchased $250,000 worth of supplies and paid the GST on these goods. What GST must be remitted by M Studios (or refunded) for the last quarter? (Assume 8% PST and 5% GST) .

A) $50.99
B) $266.75
C) $1926.43
D) $426.80
E) $5008.71