If statement to bring back great or less and apply rates

[alexc2022]

Hi, I have a column hours and rates. Under the sum column im trying to do an if statement to bring back the following - If =IF(B2<37.5,"*D2,"2",)if(B2<37.5,"*D2,"1.5",)

If its less than 37.5 hours x the rate column 1.5 and if its less than 37.5 x the rate column by 2. At the moment it bring back value.

Please could I have help with my formula and guidance to where im going wrong?