In $2022,$ Riverbed Ltd$.$ received a grant for $2\mathrm{.}04$ million to defray the cost of purchasing research equipment for its manufactu facility. The total cost of the equipment is $10\mathrm{.}2$ million.

Prepare the journal entry to record this transaction if Riverbed uses $($a$)$ the deferred revenue approach, and $($b$)$ the reduction o approach. $($Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, sel Entry" for the account titles and enter $0$ for the amounts. Enter amounts in full not rounded to millions.$)$