$($a$)$ Rahimi plan to buy semi house in Glenmarie area and according to the market price the value of the house will be RM$630,000$ per unit. He had approached the officer from RHB bank, and from the evaluation, bank decide to offer him $90$ percent mortgage loan at $2\mathrm{.}75$ percent interest for $35$ years. Based on the information above, calculate:

i$.$ Monthly payment that Rahimi should pay on his mortgage loan.