21) Minarski Electronics sells computers and provides hardware maintenance services. On April 1st, Minarski sold a package deal containing a computer and a one-year unlimited maintenance/repair service for the computer at a bundle price of $1,000. If sold separately, the computer costs $840 and the one-year unlimited maintenance/repair service costs $360. How much revenue does Minarski Electronics recognize for the month ended April 30th, assuming that revenue is accrued monthly?

A) $1,000

B) $870

C) $725

D) $30