def annual_metrics(
        globvars,
        mass,
        prodloss,
        wetdep,
        drydep
):
    """
    Computes the following terms:

    1. "dyn": Ox subsiding from the stratosphere

    2  "net": Net Ox = (POx-LOx) + Dyn - Drydep - Wetdep

    3. "life": Ox lifetime (d) = Ox burden / (LOx + Drydep + Wetdep)

    Args:
        globvars: _GlobVars
            Global variables needed for budget computations.
        mass : dict
        prodloss : dict
        wetdep : dict
        drydep : numpy float64
            Mass, prod/loss, and deposition terms
    Returns:
        result : dict
            Contains dyn, net, and life terms.
    """
    result = {}
    acc = mass["Ox_acc"]
    burden = mass["Ox_end"]
    chem = prodloss["POx-LOx"]
    lox = prodloss["LOx"]
    wetd = wetdep["Total"]
    result["dyn"] = acc - (chem - wetd - drydep)
    result["net"] = (chem + result["dyn"]) - (wetd + drydep)
    result["life"] = (burden / (lox + wetd + drydep)) * globvars.d_per_a

    return result