How to solve

Question $($a$\mathrm{.}4)$ How much should the adjusted balance in the prepaid insurance account be at July $31,2024?$

$($b$\mathrm{.}2)$ Calculate the unadjusted balance in the accumulated depreciation$-$ Buildings Account as at July $312024.$

$($b$\mathrm{.}3)$ How much should the adjusted balance in the the accumulated depreciation$-$Buildings Account as at July $31,2024?$