Current Attempt in Progress

Employee contributions under the Canada Pension Plan are $5\mathrm{.}45\%$ of pensionable earnings. Pensionable earnings deduct a basic yearly exemption of $$3500$ and impose a maximum ceiling of $$61600.$ David earns $$900$ per week. What amount of CPP will be deducted each week from David's pay in the month of April?

$)$