Assume the variables f,g,h, and i are assigned to registers x5, x6,x7,x28 respectively. Assume base address in memory of array data structures A, B, C are stored in Registers x27, x30, x31. Write the RISCV code that implements:

f = g - A[C[8] + B[4]]

A[i] = B[i-1] + C[i+1]