$.$A new financial product will give you a semi$-$annual return of $0\mathrm{.}45\%$ if you invest $$200$ per six months for $10$ consecutive years.How much will you have after $10$ years? $($round the final outcome to $2$ decimal places$)$

b$.$ Laura has just bought an investment property. She estimates that the kitchen will have to be renewed for $$36,700$ after $7$ years.To cover these costs, she intends to save an equal amount of money at the end of each fortnight, earning $2\mathrm{.}3\%$ per annum. How much does she need to save each fortnight? $($round the final outcome to $2$ decimal places$)$Show workings