$3.$ Inspection Costs in $2022$:

The inspection cost in $2022$ was $$2,200,000.$ Since Flight Limited performed the inspection six months earlier than required, it should only account for half of the annual inspection cost in $2022.$ So the answer should have been $$2,200,000/2$yrs$*6/12=$ $ $550,000$ for $2022$ add the inspection cost done in $2021$ costing $ $2,000,000$ for $2$yrs: $$2,000,000/2=$$$1,000,000.$The total inspection cost for $2022=$ $ $1,550,000$